Contains diagnostic information that performed within the Glow Plug Control Module and common to all applications within 11OBDG11

Transcription

1 11 OBDG11 Engine Diagnostics Contents This document is intended to meet the requirements documented in section of Title 13, Califnia Code of Regulations entitled Modifications to Malfunction Diagnosis System Requirements f 2004 Subsequent ModelYear Passenger Cars, LightDuty Trucks, MediumDuty Vehicles Engines OBD II, paragraphs i2.2 f a table detailing calibration parameter data f OBD II Group 11OBDG11. Section 1 : S111OBDG11 Contains infmation that is common to all applications within 11OBDG11 GMT911 Chevrolet Silverado HD GMT912 GMC Sierra HD Section 2 : S211OBDG11_Glow Plug Module Contains diagnostic infmation that perfmed within the Glow Plug Control Module common to all applications within 11OBDG11 The diagnostic algithms are contained within the Glow Plug Control Module, but the Fault Code stage hling MIL Illumination are perfmed within the ECM Section 3 : S311OBDG11LGH_Specific Contains infmation that is specific to the LGH applications within 11OBDG11 GMT911 Chevrolet Silverado HD GMT610 Chevrolet Express GMT912 GMC Sierra HD Parameter Definition Contains definitions of secondary parameters which are used in the parameter document. These secondary parameters conditions are shown in the respective physical parameters which define each condition. Calibration LookUp Tables Contains the calibration lookup from both the Section 1 the Parameter Definitions Inhibit Tables Contains the matrix of diagnostics which are inhibited from being executed if an active DTC is sted in the ECM Contents Page 1 of 2

2 11 OBDG11 Engine Diagnostics Contents Enable Tables Contains the matrix of additional enable conditions which need to be satisfied f each diagnotic to be enabled Contents Page 2 of 2

3 11 OBDG11 Engine Diagnostics COMMON SECTION COMPONENT/ SYSTEM FAULT CODE MONITOR STRATEGY DESCRIPTION MALFUNCTION CRITERIA THRESHOLD VALUE SECONDARY PARAMETERS CONDITIONS TIME REQUIRED MIL ILLUM. Fuel Rail Pressure [FRP] Too High P0088 Measured rail pressure is checked against desired d rail pressure to detect high rail pressure conditions. rail pressure deviation from setpoint t calculated l out of difference between desired actual value see LookUpTable #54 < to kpa Path 1: fail conditions B exists f 8 s monit runs with 0.02 s rate whenever enable conditions are met setpoint volume flow of the metering unit out of rail pressure control > mm^3/re v current injection quantity > 8 mm^3/re v fuel temperature > C state machine rail pressure = TRUE control equal to metering unit control mode basic enable conditions met: = see enable metering unit actuat test active = FALSE NO Pending Confirmed DTCs: = see inhibit rail pressure deviation from setpoint calculated out of difference between desired actual value < kpa state machine rail pressure control equal to pressure control valve state machine rail pressure control equal coupled pressure control rail pressure is controlled by metering unit pressure control valve = TRUE = TRUE COMMON SECTION Page 1 of 104

4 11 OBDG11 Engine Diagnostics COMMON SECTION COMPONENT/ SYSTEM FAULT CODE MONITOR STRATEGY DESCRIPTION MALFUNCTION CRITERIA THRESHOLD VALUE SECONDARY PARAMETERS CONDITIONS TIME REQUIRED MIL ILLUM. pressure setpoint of rail pressure control <= kpa basic enable conditions met: = see enable NO Pending Confirmed DTCs: = see inhibit Engine Coolant ECT Fuel Not Plausible P008F Detects a biased ECT fuel Path 1: engineoff time >= sec fail conditions B temperature by comparing startup temperatures between the two a b see LookUpTable > 100 to 999 C #12 senss. with ambient temperature > C a captured engine coolant = measured Engine Running = TRUE rpm temperature at start parameter with f b captured fuel temperature at = measured time > 0 sec start parameter engine post drive/ afterun = FALSE Path 2: diagnostic perfmed in current = FALSE di drive cycle a b see LookUpTable <= 100 to 999 C #12 with basic enable conditions met: = see enable a captured engine coolant temperature at start with NO Pending Confirmed DTCs: = see inhibit b captured fuel temperature at start exists f 0.2 s monit runs once per trip with 0.2 s rate whenever enable conditions are met COMMON SECTION Page 2 of 104

5 11 OBDG11 Engine Diagnostics COMMON SECTION COMPONENT/ SYSTEM FAULT CODE MONITOR STRATEGY DESCRIPTION MALFUNCTION CRITERIA THRESHOLD VALUE SECONDARY PARAMETERS CONDITIONS TIME REQUIRED MIL ILLUM. a b see LookUpTable > 20 to 999 C #13 with a captured engine coolant temperature at start with b captured fuel temperature at start = measured parameter = measured parameter status of block heater = FALSE active under following condition engine speed > 500 rpm f time > 60 sec a b < 1.8 C with a reference temperature engine = measured coolant temperature captured during start t with b engine coolant temperature = parameter measured value f the comparision with the reference temperature parameter status t of sunload detection ti = FALSE active under following condition vehicle speed > mph f time > 300 sec Engine Running = TRUE f time > 600 sec COMMON SECTION Page 3 of 104

6 11 OBDG11 Engine Diagnostics COMMON SECTION COMPONENT/ SYSTEM FAULT CODE MONITOR STRATEGY DESCRIPTION MALFUNCTION CRITERIA THRESHOLD VALUE SECONDARY PARAMETERS CONDITIONS TIME REQUIRED MIL ILLUM. a b < 4.5 C with a captured intake air temperature at start = measured parameter with b minimum intake air temperature value f the comparision with the reference temperature during driving cycle = measured parameter Fuel Rail Pressure [FRP] Sens P0191 Detects a drifted fuel rail pressure fuel pressure regulat 2 sens by determining the adaptation fact adaptation fact of the fuel rail pressure regulat 2. fuel pressure regulat 2 adaptation fact >= 1.25 fact fuel pressure regulat 2 in closed loop control = TRUE fail conditions exists f 0.01 s A monit runs with <= 0.75 fact adaptation f fuel pressure = TRUE 0.01 s rate regulat 2 active whenever enable conditions are met means counter f successful adaptation > 0 counts counter f the successful > 9 counts calculation of the adaptation enable condition stability counter > 60 counts engine speed < 400 rpm engine speed > 1000 rpm vehicle speed <= 1.86 mph fuel rail pressure control in fuel = TRUE pressure regulat 2 mode fuel rail pressure control in combined pressure control CPC mode = TRUE COMMON SECTION Page 4 of 104

7 11 OBDG11 Engine Diagnostics COMMON SECTION COMPONENT/ SYSTEM FAULT CODE MONITOR STRATEGY DESCRIPTION MALFUNCTION CRITERIA THRESHOLD VALUE SECONDARY PARAMETERS CONDITIONS TIME REQUIRED MIL ILLUM. basic enable conditions met: = see enable Detects a biased sens by determining the FRP sens voltage to be in the crect range f atmospheric pressure at engine off with sufficient pressure bleedoff time. engine post drive/ afterun = TRUE rail pressure sens voltage < V fuel temperature > 0.04 C rail pressure sens voltage > 0.65 V engine has already run in this = TRUE driving cycle rail pressure is reduced = TRUE means rail pressure does not exceed < 0 kpa fuel pressure regulat 2 current <= 1.7 Amps fail conditions exists f me than 0.30 s monit runs once per driving cycle with 0.01 s rate whenever enable conditions are met engine off time > sec number of measurements during engine postdrive/ afterun > 10 counts basic enable conditions met: = see enable NO Pending Confirmed DTCs: = see inhibit Turbocharger Engine Overboost P0234 Detects an Overboost condition by comparing desired to measured boost values. control deviation of the boost pressure calculated out of difference between desired actual value see LookUpTable #46 < 35.0 to 11.5 kpa injection quantity >= 132 mm^3/re v fail conditions exists f 10 s monit runs with 0.02 s rate whenever enable B COMMON SECTION Page 5 of 104

8 11 OBDG11 Engine Diagnostics COMMON SECTION COMPONENT/ SYSTEM FAULT CODE MONITOR STRATEGY DESCRIPTION MALFUNCTION CRITERIA THRESHOLD VALUE SECONDARY PARAMETERS CONDITIONS TIME REQUIRED MIL ILLUM. injection quantity <= 480 mm^3/re v engine speed >= 1450 rpm engine speed <= 3200 rpm turbo charger control deviation >= 100 % turbo charger control deviation <= 100 % desired turbo charger position < 100 % conditions are met injection quantity is stable = TRUE means increase of injection quantity < mm^3/r ev/sec engine speed is stable = TRUE means increase of engine speed < 75 rpm/sec turbo charger VNT wiping is = FALSE active offset learning f turbo charger = FALSE VNT actuat at position sens is active during idling in der to compensate sens drift valve aging the valve is closed opened fully once in a driving cycle during engine idling, the read positions f opening closing are averaged used f the calculation of offset drift of the valve wking range of boost pressure = TRUE is in closedloop means engine speed > 1200 rpm injection quantity > 20 mm^3/re v COMMON SECTION Page 6 of 104

9 11 OBDG11 Engine Diagnostics COMMON SECTION COMPONENT/ SYSTEM FAULT CODE MONITOR STRATEGY DESCRIPTION MALFUNCTION CRITERIA THRESHOLD VALUE SECONDARY PARAMETERS CONDITIONS TIME REQUIRED MIL ILLUM. NO Pending Confirmed DTCs: f see inhibit time > 2 sec basic enable conditions met: see enable CAC Efficiency Below Threshold P026A Detects insufficient chargeair cooler. Actual cooler efficiency readings are compared to a threshold as an indication of cooling efficiency. filtered chargeair cooler efficiency calculated out of temperature upstream of the < a + b + c vehicle speed >= mph fail conditions exists f 30 s monit runs once B cooler, temperature downstream per driving cycle of the cooler ambient with 100 ms rate temperature whenever enable with conditions are met a temperature crection of = 0 efficiencythreshold with mass air flow >= g/sec b threshold of chargeair cooler = fact efficiency with mass air flow see LookUpTable <= to g/sec # c crection fact f efficiency = 0 fact threshold depending on temperature after charge air cooler engine coolant temperature >= C engine coolant temperature <= C maximum of a b / b >= with COMMON SECTION Page 7 of 104

10 11 OBDG11 Engine Diagnostics COMMON SECTION COMPONENT/ SYSTEM FAULT CODE MONITOR STRATEGY DESCRIPTION MALFUNCTION CRITERIA THRESHOLD VALUE SECONDARY PARAMETERS CONDITIONS TIME REQUIRED MIL ILLUM. a boost pressure downstream compress with = measure d paramet er b ambient pressure = measure d paramet er control value of the throttle valve <= % diagnostic perfmed in current = FALSE drive cycle a b >= 40 C with a temperature after compress b ambient air temperature injection quantity >= 80 mm^3/re v injection quantity <= 480 mm^3/re v f time > 0 sec ambient pressure > 74.8 kpa ambient temperature > 7.04 C basic enable conditions met: = see enable COMMON SECTION Page 8 of 104

11 11 OBDG11 Engine Diagnostics COMMON SECTION COMPONENT/ SYSTEM FAULT CODE MONITOR STRATEGY DESCRIPTION MALFUNCTION CRITERIA THRESHOLD VALUE SECONDARY PARAMETERS CONDITIONS TIME REQUIRED MIL ILLUM. NO Pending Confirmed DTCs: = see inhibit Turbochager Engine Underboost P0299 Detects an Underboost condition by comparing desired to measured boost values. control deviation of the boost pressure calculated out of the difference between desired actual value see LookUpTable #45 > 17.5 to 40.0 kpa engine speed >= 1450 rpm fail conditions B exists f 10 s monit runs with 0.02 s rate whenever enable engine speed <= 2000 rpm conditions are met injection quantity >= 132 mm^3/re v injection quantity <= 480 mm^3/re v injection quantity is stable = TRUE means increase of injection quantity < mm^3/r ev/s engine speed is stable = TRUE means increase of engine speed < 75 rpm/sec turbo charger VNT wiping is = FALSE active offset learning f turbo charger = FALSE VNT actuat position sens is active during idling in der to compensate sens drift valve aging the valve is closed opened fully once in a driving cycle during engine idling, the read positions f opening closing are averaged used f the calculation of offset drift of the valve COMMON SECTION Page 9 of 104

12 11 OBDG11 Engine Diagnostics COMMON SECTION COMPONENT/ SYSTEM FAULT CODE MONITOR STRATEGY DESCRIPTION MALFUNCTION CRITERIA THRESHOLD VALUE SECONDARY PARAMETERS CONDITIONS TIME REQUIRED MIL ILLUM. wking range of boost pressure is in closedloop means engine speed > 1200 rpm injection quantity > 20 mm^3/re v NO Pending Confirmed DTCs: = see inhibit f time > 2 sec basic enable conditions met: = see enable Crankshaft Position System Variation Not Learned P0315 Wheel Learn Fuel Balance System Tooth Wheel Variation Crankshaft Dynamics not learned quickly enough fuel balance wheel learn complete = FALSE fuel system is in fuel cut off = TRUE fail conditions B exists f 5000 s cumulative time particulate filter regeneration = FALSE Path 1: Low Speed Learn Range engine speed > 900 rpm engine speed < 1450 rpm Path 2: Mid Speed Learn Range engine speed >= 1450 rpm engine speed < 1900 rpm monit runs with 1 s rate whenever enable conditions are met fuel balance wheel learn complete = FALSE Inhibit Status no inhibiting faults No pending sted DTC = see inhibit COMMON SECTION Page 10 of 104

13 11 OBDG11 Engine Diagnostics COMMON SECTION COMPONENT/ SYSTEM FAULT CODE MONITOR STRATEGY DESCRIPTION MALFUNCTION CRITERIA THRESHOLD VALUE SECONDARY PARAMETERS CONDITIONS TIME REQUIRED MIL ILLUM. Exhaust Gas RecirculationEGR Flow Excessive P0400 Detects excessive EGR flow. Actual MAF readings are compared to desired MAF values as an indication of how much EGR is flowing. controller deviation of the air mass = actual minus desired value > 2 g/rev fail conditions exists f 10 s monit runs s rate whenever enable conditions EGR controler is active = TRUE are met change of injection quantity < mm^3/r between current last value ev/s change of engine speed between < 75 rpm/sec currentl last value maximum setpoint f airmass flow < a / b * c * d / e / f / g * h A with a gas mass flow into the engine with b pressure in the intake manifold with c pressure in the induction volume with d system constant with e number of engine cylinders 8 with f number of cylinder banks 1 with g engine speed with h crection fact 1 COMMON SECTION Page 11 of 104

14 11 OBDG11 Engine Diagnostics COMMON SECTION COMPONENT/ SYSTEM FAULT CODE MONITOR STRATEGY DESCRIPTION MALFUNCTION CRITERIA THRESHOLD VALUE SECONDARY PARAMETERS CONDITIONS TIME REQUIRED MIL ILLUM. setpoint valve position of exhaust > % gas recirculation engine speed >= 1150 rpm engine speed <= 1600 rpm injection quantity >= 160 mm^3/re v injection quantity <= 480 mm^3/re v Desired value f mass flow through the EGR valve not disabled during following conditions NO Pending Confirmed DTCs: f <= g/sec see disable see inhibit time >= 1.5 sec Exhaust Gas RecirculationEGR Flow Insufficient P0401 Detects insufficient EGR flow. controller deviation of the exhaust < 2.4 to 0.5 g/rev engine speed >= 625 rpm fail conditions B Actual MAF readings are gas recirculation EGR exists f 10 s compared to desired MAF values calculated out of desired monit runs 0.02 as an indication of how much actual value see LookUpTable s rate whenever EGR is flowing. #9 enable conditions engine speed <= 2000 rpm are met injection quantity >= 20 mm^3/re v injection quantity <= 120 mm^3/re v maximum EGR mass flow > 1.00 g/rev EGR valve position > 5.01 % throttle valve position < 5.00 % COMMON SECTION Page 12 of 104

15 11 OBDG11 Engine Diagnostics COMMON SECTION COMPONENT/ SYSTEM FAULT CODE MONITOR STRATEGY DESCRIPTION MALFUNCTION CRITERIA THRESHOLD VALUE SECONDARY PARAMETERS CONDITIONS TIME REQUIRED MIL ILLUM. EGR controller is active = TRUE change of injection quantity between actual previous value with < mm^3/r ev/s lowpass filter time = 0.25 sec change of engine speed between actual previous value < 75 rpm/sec with lowpass filter time = 1.00 sec maximum setpoint f airmass flow < a / b * c * d / e / f / g * h with a gas mass flow into the engine = calculate d paramet er with b pressure in the intake manifold = measure d paramet er with c pressure in the induction volume with = calculate d paramet er d system constant = with e number of engine cylinders = 8 with f number of cylinder banks = 1 COMMON SECTION Page 13 of 104

16 11 OBDG11 Engine Diagnostics COMMON SECTION COMPONENT/ SYSTEM FAULT CODE MONITOR STRATEGY DESCRIPTION MALFUNCTION CRITERIA THRESHOLD VALUE SECONDARY PARAMETERS CONDITIONS TIME REQUIRED MIL ILLUM. with g engine speed = measure d paramet er with h crection fact = 1 fact setpoint valve position of exhaust > % gas recirculation basic enable conditions met: = see enable NO Pending Confirmed DTCs: = see inhibit f time >= 3 sec Exhaust Gas RecirculationEGR Flow Excessive P0402 Detects excessive EGR flow. Actual MAF readings are compared to desired MAF values as an indication of how much EGR is flowing. controller deviation of the exhaust gas recirculation EGR calculated out of desired actual value see LookUpTable #8 > 0.4 to 1.2 g/rev engine speed >= 1150 rpm fail conditions B exists f 8 s monit runs 0.02 s rate whenever enable conditions engine speed <= 1600 rpm are met injection quantity >= 160 mm^3/re v injection quantity <= 480 mm^3/re v maximum EGR mass flow < 0.96 g/rev EGR controller is active = TRUE change of injection quantity between actual previous value with < mm^3/r ev/sec COMMON SECTION Page 14 of 104

17 11 OBDG11 Engine Diagnostics COMMON SECTION COMPONENT/ SYSTEM FAULT CODE MONITOR STRATEGY DESCRIPTION MALFUNCTION CRITERIA THRESHOLD VALUE SECONDARY PARAMETERS CONDITIONS TIME REQUIRED MIL ILLUM. lowpass filter time = 0.25 sec change of engine speed between actual previous value < 75 rpm/sec with lowpass filter time = 1.00 sec maximum setpoint f airmass flow < a / b * c * d / e / f / g * h with a gas mass flow into the engine = calculate d paramet er with b pressure in the intake manifold = measure d paramet er with c pressure in the induction volume = calculate d paramet er with d system constant = with e number of engine cylinders = 8 with f number of cylinder banks = 1 with g engine speed = measure d paramet er with h crection fact = 1 fact COMMON SECTION Page 15 of 104

18 11 OBDG11 Engine Diagnostics COMMON SECTION COMPONENT/ SYSTEM FAULT CODE MONITOR STRATEGY DESCRIPTION MALFUNCTION CRITERIA THRESHOLD VALUE SECONDARY PARAMETERS CONDITIONS TIME REQUIRED MIL ILLUM. basic enable conditions met: = see enable NO Pending Confirmed DTCs: = see inhibit f time >= 1.5 sec Exhaust Gas RecirculationEGR Sens Crelation EGR 1/ EGR 2 P040F Detects biased EGR temperature senss by comparing the two EGR cooler temp sens after an engine off soak time Path 1: a b <= 20 C fail conditions exists f 0.1 s monit runs with B 0.1 s rate whenever enable conditions are met a b see LookUpTable #4 > 100 to 999 C with with a captured EGR sens 2 temperature at start a captured EGR sens 2 temperature at start = measured parameter with with b captured EGR sens 1 temperature at start as reference temperature = measure d paramet er = measure d paramet er b captured EGR sens 1 temperature at start = measured parameter engineoff time >= sec Path 2: ambient temperature > C a b see LookUpTable #4 <= 100 to 999 C with Engine Running = TRUE a captured EGR sens 2 temperature at start = measured parameter f with time > 0 sec b captured EGR sens 1 temperature at start = measured parameter engine post drive/ afterun = FALSE COMMON SECTION Page 16 of 104

19 11 OBDG11 Engine Diagnostics COMMON SECTION COMPONENT/ SYSTEM FAULT CODE MONITOR STRATEGY DESCRIPTION MALFUNCTION CRITERIA THRESHOLD VALUE SECONDARY PARAMETERS CONDITIONS TIME REQUIRED MIL ILLUM. a b see LookUpTable #7 > 20 to 999 C with diagnostic perfmed in current = FALSE drive cycle a captured EGR sens 2 temperature at start = measured parameter with basic enable conditions met: = see enable b captured EGR sens 1 temperature at start = measured parameter NO Pending Confirmed DTCs: = see inhibit status of block heater = FALSE active under following condition engine speed > 500 rpm f time > 60 sec a b < 1.8 C with a reference temperature engine coolant temperature captured during start with b engine coolant temperature value f the comparision with the reference temperature status of sunload detection = FALSE active under following condition vehicle speed > mph f time > 300 sec COMMON SECTION Page 17 of 104

20 11 OBDG11 Engine Diagnostics COMMON SECTION COMPONENT/ SYSTEM FAULT CODE MONITOR STRATEGY DESCRIPTION MALFUNCTION CRITERIA THRESHOLD VALUE SECONDARY PARAMETERS CONDITIONS TIME REQUIRED MIL ILLUM. Engine Running = TRUE f time > 600 sec a b < 4.5 C with a captured intake ait temperature at start with b minimum intake air temperature value f the comparision with the reference temperature during driving cycle NMHC Catalyst Efficiency Below Threshold Bank 1 P0420 Detects insufficient conversion rate in oxidation catalyst. Actual conversion rate is compared to a HC conversion rate < fact evaluation of the HC conversion rate f moniting of the OxiCat is released conversion rate threshold as an means indication of how much HC is converted in the oxidation HC mass converted in the catalyst. oxidation catalyst since monit start average HC mass flow > g/sec simulated heat quantity in > 0 kj oxidation catalyst particulate filter regeneration = TRUE no reset condition f evaluation is active therefe regeneration was not abted to = TRUE assure that HC conversion was not disturbed = TRUE fail conditions B exists f me than 1 event monit runs once per driving cycle > 140 g with 0.1 s rate whenever enable conditions are met COMMON SECTION Page 18 of 104

21 11 OBDG11 Engine Diagnostics COMMON SECTION COMPONENT/ SYSTEM FAULT CODE MONITOR STRATEGY DESCRIPTION MALFUNCTION CRITERIA THRESHOLD VALUE SECONDARY PARAMETERS CONDITIONS TIME REQUIRED MIL ILLUM. evaluation took place one time step befe moniting evaluation scheduling condition from TRUE to FALSE in der to determine the end of HC conversion = FALSE = TRUE means set condition particulate filter regeneration = TRUE measured temperature upstream of the oxidation catalyst > C engine speed > 700 rpm engine speed < 3400 rpm diagnostic perfmed in current drive cycle becomes FALSE under following conditions = FALSE reset condition = FALSE converted HC mass in the oxidation catalyst during moniting < 140 g particulate filter regeneration = FALSE regeneration was not abted to assure that HC converion was disturbed = TRUE NO Pending Confirmed DTCs: = see inhibit COMMON SECTION Page 19 of 104

22 11 OBDG11 Engine Diagnostics COMMON SECTION COMPONENT/ SYSTEM FAULT CODE MONITOR STRATEGY DESCRIPTION MALFUNCTION CRITERIA THRESHOLD VALUE SECONDARY PARAMETERS CONDITIONS TIME REQUIRED MIL ILLUM. basic enable conditions met: = see enable Cooling Fan Speed High P0495 Detects a locked fan. When fan fan speed see LookUpTable speed control solenoid is off, the #34 fan speed should follow accessy drive input speed plus some slip. > 400 to 1500 rpm indication that the fan clutch is pumped out means fluid volume in Clutch see Look UpTable #35 Up Table # fan speed > 1500 rpm PWM of fan driver output < % ambient pressure > 55.5 kpa intake air temperature > C engine off time > 0 sec Engine Running = TRUE f time > 0 sec number of failure events >= 800 counts basic enable conditions met: = see enable = TRUE fail conditions B exists f 0.02s monit runs with < to liter 0.1 s rate whenever enable conditions are met Cruise Control Resume Switch Circuit P0567 Resume switch state indicates problem with the circuit CAN message stays in high state too long = TRUE ignition = on fail conditions Special C exists f 90 s monit runs with input circuit active = TRUE s rate whenever enable conditions are met COMMON SECTION Page 20 of 104

23 11 OBDG11 Engine Diagnostics COMMON SECTION COMPONENT/ SYSTEM FAULT CODE MONITOR STRATEGY DESCRIPTION MALFUNCTION CRITERIA THRESHOLD VALUE SECONDARY PARAMETERS CONDITIONS TIME REQUIRED MIL ILLUM. basic enable conditions met: = see enable NO Pending Confirmed DTCs: = see inhibit conditions are met Cruise Control Set Switch Circuit P0568 Set switch state indicates problem with the circuit CAN message stays in high state too long = TRUE ignition = on fail conditions Special C exists f 90 s input circuit active = TRUE monit runs with s rate whenever enable conditions are met basic enable conditions met: = see enable NO Pending Confirmed DTCs: = see inhibit Cruise Control Input Circuit P0575 Cruise control CAN communication moniting amount of errs in consecutive >= 3 counts ignition = on fail conditions Special C frames exists f ms with monit runs with number of consecutive frames = 10 counts input circuit active = TRUE s rate whenever enable conditions are met basic enable conditions met: = see enable NO Pending Confirmed DTCs: = see inhibit COMMON SECTION Page 21 of 104

24 11 OBDG11 Engine Diagnostics COMMON SECTION COMPONENT/ SYSTEM FAULT CODE MONITOR STRATEGY DESCRIPTION MALFUNCTION CRITERIA THRESHOLD VALUE SECONDARY PARAMETERS CONDITIONS TIME REQUIRED MIL ILLUM. Control Module P0606 Monits that ECM is operating SPI communication, data transfer = TRUE ignition = on fail conditions A crectly at proper voltage. All lost Internal internal hardware modules are communicating crectly. basic enable conditions met: = see enable exists f 0.5 s test perfmed continuously with 0.01 s rate faults detected in the SPI communication IC internal > 184 counts ignition = on fail conditions A exists f at least 0.64 sec NO Pending Confirmed DTCs: = see monit runs once per trip during pre inhibit drive perfmed at s rate whenever enable conditions are met P0606 internal supply voltage < V ignition iti = on fail conditions A exists f at least 0.08 sec internal supply voltage > 5.25 V counter of reactivation attempt of >= 2 counts monit runs once power output stage per trip during pre drive NO Pending Confirmed DTCs: = see perfmed at 0.04 s rate whenever inhibit enable conditions are met P0606 a b > 50 us programmed energizing time f fuel injection has been read back with a measured energizing time f fuel injection with means programmed energizing time f fuel injection = TRUE fail conditions A exists f 0.15 s monit runs with 0.01 s rate >= 0 whenever enable conditions are met COMMON SECTION Page 22 of 104

25 11 OBDG11 Engine Diagnostics COMMON SECTION COMPONENT/ SYSTEM FAULT CODE MONITOR STRATEGY DESCRIPTION MALFUNCTION CRITERIA THRESHOLD VALUE SECONDARY PARAMETERS CONDITIONS TIME REQUIRED MIL ILLUM. b programmed energizing time f fuel injection measured energizing time f fuel injection has been read back = TRUE means measured energizing time f fuel >= 0 injection engine speed > 1200 rpm rail pressure > kpa engine test active via diagnostic tester = FALSE P0606 Path 1: engine speed > 1200 rpm fail conditions A exists f at least 0.5s angle f pre injection quantity < degrees engine test t active via diagnostic = FALSE monit runs with tester 0.01 s rate whenever enable angle f pre injection quantity > degrees conditions are met Path 2: angle f main injection quantity < degrees angle f main injection quantity > degrees Path 3: angle f post injection quantity 1 < 360 degrees angle f post injection quantity 1 > degrees Path 4: angle f post injection quantity 2 < degrees COMMON SECTION Page 23 of 104

26 11 OBDG11 Engine Diagnostics COMMON SECTION COMPONENT/ SYSTEM FAULT CODE MONITOR STRATEGY DESCRIPTION MALFUNCTION CRITERIA THRESHOLD VALUE SECONDARY PARAMETERS CONDITIONS TIME REQUIRED MIL ILLUM. angle f post injection quantity 2 > degrees P0606 ignition = on energizing times of the crection value f pre injection quantity see LookUpTable #43 < 500 to 50 us energizing times of the crection value f pre injection quantity see LookUpTable #42 > 50 to 500 us engine test active via diagnostic tester = FALSE fail conditions exists f at least 5 events monit runs with 0.04 s rate whenever enable conditions are met A P0606 Path 1: post injection 2 = ACTIVE efficiency fact f post injection < 0 fact engine test active via diagnostic = FALSE 2 tester efficiency fact f post injection > 1 fact 2 fail conditions exists f at least 15s monit runs with 004srate 0.04 whenever enable conditions are met A Path 2: start angle of energising f post injection 2 > a + b with a earliest possible start angle f post injection degrees with b measured base angle f post injection 2 Path 3: time f exhaust gas system operation mode changes >= sec COMMON SECTION Page 24 of 104

27 11 OBDG11 Engine Diagnostics COMMON SECTION COMPONENT/ SYSTEM FAULT CODE MONITOR STRATEGY DESCRIPTION MALFUNCTION CRITERIA THRESHOLD VALUE SECONDARY PARAMETERS CONDITIONS TIME REQUIRED MIL ILLUM. P0606 post injection quantity 2 > 130 mm^3 ignition = on fail conditions A exists f at least particulate filter regeneration = FALSE 0.5s monit runs with 0.04 s rate engine test active via diagnostic = FALSE whenever enable tester conditions are met P0606 post injection 3 = ACTIVE fail conditions A efficiency fact of post injection 3 < 1 fact exists f at least 0.5s engine test active via diagnostic tester = FALSE monit runs with 0.04 s rate efficiency fact of post injection 3 > 1 fact whenever enable conditions are met P0606 averaged wave crection quantity f pre injection averaged wave crection = 0 mm^3 engine test is active via diagnostic = FALSE quantity f main injection tester averaged wave crection = 0 mm^3 quantity f post injection 3 = 0 mm^3 Engine Running = TRUE fail conditions A exists f at least 10 events monit runs with 0.04 s rate whenever enable conditions are met averaged wave crection quantity f post injection 2 = 0 mm^3 A P0606 rail pressure gradient > kpa fail conditions A voltage of rail pressure sens < V exists f 2.67 s monit runs with 0.01 s rate voltage of rail pressure sens > V whenever enable conditions are met delay time > 2.1 sec engine test active via diagnostic tester = FALSE COMMON SECTION Page 25 of 104

28 11 OBDG11 Engine Diagnostics COMMON SECTION COMPONENT/ SYSTEM FAULT CODE MONITOR STRATEGY DESCRIPTION MALFUNCTION CRITERIA THRESHOLD VALUE SECONDARY PARAMETERS CONDITIONS TIME REQUIRED MIL ILLUM. A P0606 internal supply voltage < 4.2 V ignition = on fail conditions A internal supply voltage > 5.25 V exists f 0.05 s test perfmed continuously with 0.01 s rate P0606 P0606 A WDA watch dog shut off due to = TRUE shut off path test active = FALSE fail conditions A undervoltage exists f 0.01 s means monit runs with 0.01 s rate internal supply voltage < 4.2 V battery voltage > 8 V whenever enable f conditions are met time > 1 sec WDA watch daog line active = TRUE A WDA watch dog shut off due to = TRUE shut off path test active = FALSE fail conditions A overvoltage exists f 0.01 s monit runs with means 0.01 s rate internal supply voltage > 5.25 V WDA watch daog line active = TRUE whenever enable conditions are met P0606 WDA watch dog shut off due to internal security err A = TRUE shut off path test active = FALSE fail conditions A exists f 0.01 s monit runs with 0.01 s rate WDA watch dog line active = TRUE whenever enable conditions are met WDA watch dog shut off because of crupt questionanswer communication = TRUE ignition = on WDA watch dog line active = TRUE shut off path test active = FALSE fail conditions exists f s monit runs with 0.01 s rate whenever enable conditions are met COMMON SECTION Page 26 of 104

29 11 OBDG11 Engine Diagnostics COMMON SECTION COMPONENT/ SYSTEM FAULT CODE MONITOR STRATEGY DESCRIPTION MALFUNCTION CRITERIA THRESHOLD VALUE SECONDARY PARAMETERS CONDITIONS TIME REQUIRED MIL ILLUM. the actual response time from process is not equal to the requested responsetime = TRUE ignition = on NO Pending Confirmed DTCs: = see inhibit fail conditions exists f me than 2 events monit runs 0.04 s rate whenever enable conditions are met redudnant, independent algithm f plausibility fault of accelerat pedal signal f safety reasons: Path 1: ignition = on maximum a b 2 * > 0.29 V maximum c b with a voltage accelerat pedal 1 = measured parameter with b lower limit f accelerat = 0.8 V pedal voltage with c voltage accelerat pedal 2 = measured parameter voltage accelerat pedal 1 > 1.45 V voltage accelerat pedal 2 > 1.45 V Path 2: maximum a b 2 * > 0.41 V maximum c b with a voltage accelerat pedal 1 = measured parameter with fail conditions exists f 0.28 s monit runs with 004srate 0.04 whenever enable conditions are met COMMON SECTION Page 27 of 104

30 11 OBDG11 Engine Diagnostics COMMON SECTION COMPONENT/ SYSTEM FAULT CODE MONITOR STRATEGY DESCRIPTION MALFUNCTION CRITERIA THRESHOLD VALUE SECONDARY PARAMETERS CONDITIONS TIME REQUIRED MIL ILLUM. b lower limit f accelerat = 0.80 V pedal voltage with c voltage accelerat pedal 2 = measured parameter voltage accelerat pedal 1 <= 1.45 V voltage accelerat pedal 2 <= 1.45 V no response to an injection request process internal = TRUE ignition = on NO Pending Confirmed DTCs: = see inhibit fail conditions exists f me than 2 events monit runs 0.04 s rate whenever enable conditions are met no response to shutoff path test = TRUE ignition = on process internal NO Pending Confirmed DTCs: = see inhibit fail conditions exists f me than 184 events monit runs with 0.04 s rate whenever enable conditions are met no response to hardware activation request process internal = TRUE ignition = on NO Pending Confirmed DTCs: = see inhibit fail conditions exists f me than 98 events monit runs with 0.04 s rate whenever enable conditions are met no response from process operative system = TRUE ignition = on COMMON SECTION Page 28 of 104 fail conditions exists f me th 2 t

31 11 OBDG11 Engine Diagnostics COMMON SECTION COMPONENT/ SYSTEM FAULT CODE MONITOR STRATEGY DESCRIPTION MALFUNCTION CRITERIA THRESHOLD VALUE SECONDARY PARAMETERS CONDITIONS TIME REQUIRED MIL ILLUM. process internal NO Pending Confirmed DTCs: = see inhibit than 2 events monit runs with 004srate 0.04 whenever enable conditions are met Path 1: ignition = on repetitions of injection shutoff >= 184 counts path test injection shutoff path test = ACTIVE Path 2: number of a powerstage test too < 2 counts few number of cylinders >= 8 fail conditions exists f me than 16 events monit runs with 0.04 s rate whenever enable conditions are met prevention of the execution of the shutoff path test = TRUE ignition = on fail conditions exists f 0.08 s injection shutoff path test = ACTIVE monit runs with 0.04 s rate whenever enable conditions are met too few bytes received by = TRUE ignition = on moniting module from CPU means bytes received by moniting < 4 bytes module from CPU as response fail conditions exists f me than 10 events monit runs with 0.04 s rate whenever enable conditions are met ECM detects interruption in the SPI communication process internal = TRUE ignition = on fail conditions exists f me than 2 events monit runs with 004srate COMMON SECTION Page 29 of 104

32 11 OBDG11 Engine Diagnostics COMMON SECTION COMPONENT/ SYSTEM FAULT CODE MONITOR STRATEGY DESCRIPTION MALFUNCTION CRITERIA THRESHOLD VALUE SECONDARY PARAMETERS CONDITIONS TIME REQUIRED MIL ILLUM s rate whenever enable conditions are met ECM detects plausibility err of the communication between controller the moniting module 2 processs in ECU process internal = TRUE ignition = on fail conditions exists f me than 5 events monit runs with 0.04 s rate whenever enable conditions are met supply voltage to inject chip 1 < 3.10 V ignition = on supply voltage to inject chip 1 > 3.50 V battery voltage > 8.00 V fail conditions exists f 0.05 s monit runs with 0.01 s rate whenever enable conditions are met supply voltage to inject chip 2 < 3.10 V ignition = on supply voltage to inject chip 2 > 3.50 V battery voltage > 8.00 V fail conditions exists f 0.05 s monit runs with 0.01 s rate whenever enable conditions are met internal inject driver chip err = TRUE Engine Running = TRUE IC internal basic enable conditions met: = see enable fail conditions exists f me than 10 events monit runs with 0.01 s rate whenever enable conditions are met COMMON SECTION Page 30 of 104

33 11 OBDG11 Engine Diagnostics COMMON SECTION COMPONENT/ SYSTEM FAULT CODE MONITOR STRATEGY DESCRIPTION MALFUNCTION CRITERIA THRESHOLD VALUE SECONDARY PARAMETERS CONDITIONS TIME REQUIRED MIL ILLUM. piezo inject actuat internal feedback voltage piezo inject actuat internal feedback voltage < 0 V main injection = ACTIVE > 3.3 V fail conditions exists f me than 10 events monit runs with 0.01 s rate whenever enable conditions are met Path 1: engine speed > 1500 rpm Path 2: engine speed > 1600 rpm injection cut off dem from ECM internal moniting = TRUE fail conditions exists f 0.02 s monit runs with 0.02 s rate whenever enable conditions are met security tque limitation request by air system control due to implausible air system control requests = TRUE ignition = on fail conditions exists f me than 5sec runs with 0.01 s rate security tque limitation request by rail pressure control due to implausible rail pressure request security tque limitation request by injection quantity setpoint control due to implausible quantity setpoint control requests = TRUE ignition = on = TRUE ignition = on fail conditions exists f me than 5sec runs with 0.01 s rate fail conditions exists f me than 5sec runs with 0.01 s rate COMMON SECTION Page 31 of 104

34 11 OBDG11 Engine Diagnostics COMMON SECTION COMPONENT/ SYSTEM FAULT CODE MONITOR STRATEGY DESCRIPTION MALFUNCTION CRITERIA THRESHOLD VALUE SECONDARY PARAMETERS CONDITIONS TIME REQUIRED MIL ILLUM. indicated tque > a + b + c + d with a modeled inner engine tque = calculated parameter with b tque tolerance offset see LookUpTable #41 with c tque of engine speed controller with d tque of surge damper control = to % = calculated parameter = calculated parameter engine speed > 600 to 850 rpm fail conditions exists f me than 12 events monit runs with 0.04 s rate whenever enable conditions are met SW reset = TRUE ignition = on fail conditions evaluation of SW reset after each reset exists f 0.02 s test perfmed continuously with 0.02 s rate voltage of charging switch > 210 V ECM is in startup befe injections are released voltage of charging switch if buffer > 100 V of a bank is not charged completely, not at all = TRUE fail conditions exists f me than 4 events monit runs with 0.01 s rate whenever enable conditions are met err at startup of DC/DC converter of one bank = TRUE ignition = on DC/DC converter is in startup = TRUE basic enable conditions met: = see enable fail conditions exists f 0.01 ms monit runs with 0.01 s rate whenever enable conditions are met COMMON SECTION Page 32 of 104

35 11 OBDG11 Engine Diagnostics COMMON SECTION COMPONENT/ SYSTEM FAULT CODE MONITOR STRATEGY DESCRIPTION MALFUNCTION CRITERIA THRESHOLD VALUE SECONDARY PARAMETERS CONDITIONS TIME REQUIRED MIL ILLUM. DC/DC converter cannot be switched off. = TRUE ignition = on Traction Control Input Signal P0856 Detects a failure when a certain Err counter f Traction Control number of Traction Control tque request message group System tque request messages within a defined message group checksum rolling count values are increct >= 3 counts Traction Control Tque Request CAN Message Received = TRUE fault exists f 1 message group ; monit runs whenever enable conditions are met. Special C NO Pending Confirmed DTCs: = see inhibit ignition on = TRUE Internal Control Module Vehicle Previously P062C in initial submission P150A Electronic ECM circuitry difference of time periods of two > 5 % fail conditions B determines if faults related to the consecutive pulses received from exists f me TPU chip used to calculate Vehicle speed exist. the tooth wheel than 30s monit runs with sensed vehicle speed > mph 0.02 s rate whenever enable number of deviations > 2 counts sensed vehicle speed < mph conditions are met number of deviations < 40 counts basic enable conditions met: = see enable Park/Neutral Position PNP Switch Circuit High Voltage P0851 Detects high voltage condition on the PNP circuit by comparing the ECM sensed input to the broadcasted state from the TCM over GMLAN serial data ECM onboard control unit sensed position based on PNP switch inputs to ECM indicates park neutral the GMLAN message from the TCM disagrees = TRUE fail conditions exist B f me than 3s monit runs with 0.01 s rate whenever enable conditions are met COMMON SECTION Page 33 of 104

36 11 OBDG11 Engine Diagnostics COMMON SECTION COMPONENT/ SYSTEM FAULT CODE MONITOR STRATEGY DESCRIPTION MALFUNCTION CRITERIA THRESHOLD VALUE SECONDARY PARAMETERS CONDITIONS TIME REQUIRED MIL ILLUM. battery voltage > V battery voltage < V engine speed >= 650 rpm vehicle speed >= mph engine tque >= 120 Nm accelerat pedal position >= 0 % selected gear position is park = FALSE selected gear position is neutral = FALSE no validation fault in the transmission shift lever position received via CAN from TCM = TRUE basic enable conditions met: = see enable NO Pending Confirmed DTCs: = see inhibit conditions are met Park/Neutral Position PNP Switch Circuit Low Voltage P0852 Detects low voltage condition on the PNP circuit by comparing the ECM sensed input to the broadcasted state from the TCM over GMLAN serial data GMLAN Message f PNP position indicates park neutral disagrees with ECM onboard control unit sensed position based on PNP switch inputs to ECM = TRUE fail conditions exist B f me than 3s monit runs with 0.01 s rate whenever enable conditions are met battery voltage > V battery voltage < V COMMON SECTION Page 34 of 104

37 11 OBDG11 Engine Diagnostics COMMON SECTION COMPONENT/ SYSTEM FAULT CODE MONITOR STRATEGY DESCRIPTION MALFUNCTION CRITERIA THRESHOLD VALUE SECONDARY PARAMETERS CONDITIONS TIME REQUIRED MIL ILLUM. engine speed <= 7000 rpm selected gear position is park = TRUE selected gear position is neutral = TRUE no validation fault in the transmission shift lever position received via CAN from TCM = TRUE basic enable conditions met: = see enable NO Pending Confirmed DTCs: = see inhibit Charge Air Cooler Sens P111C Detects bias charge air cooler Path 1: a b <= 35 C fail conditions B temperature sens downstream a b see LookUpTable #3 > 100 to 999 C with charge air cooler temperature sens upstream by comparing the startup values. with a captured charge air cooler downstream temperature at start a captured charge air cooler = measured with downstream temperature at start parameter with b captured charge air cooler upstream temperature at start as reference temperature b captured charge air cooler upstream temperature at start = measured parameter = measure d paramet er = measure d paramet er engineoff time >= sec Path 2: ambient temperature > C a b see LookUpTable #3 <= 100 to 999 C exists f 0.1 s monit runs once per trip with 0.1 s rate whenever enable conditions are met with Engine Running = TRUE COMMON SECTION Page 35 of 104

38 11 OBDG11 Engine Diagnostics COMMON SECTION COMPONENT/ SYSTEM FAULT CODE MONITOR STRATEGY DESCRIPTION MALFUNCTION CRITERIA THRESHOLD VALUE SECONDARY PARAMETERS CONDITIONS TIME REQUIRED MIL ILLUM. a captured charge air cooler downstream temperature at start = measured parameter f with time > 0 sec b captured charge air cooler upstream temperature at start = measured parameter engine post drive/ afterun = FALSE a b see LookUpTable #6 > 35 to 999 C with diagnostic perfmed in current = FALSE drive cycle a captured charge air cooler downstream temperature at start = measured parameter with basic enable conditions met: = see enable b captured charge air cooler upstream temperature at start = measured parameter NO Pending Confirmed DTCs: = see inhibit status t of block heater = FALSE active under following condition engine speed > 500 rpm f time > 60 sec a b < 1.8 C with a reference temperature engine coolant temperature captured during start with b engine coolant temperature value f the comparision i with the reference temperature = calculated parameter = measured parameter status of sunload detection = FALSE active under following condition COMMON SECTION Page 36 of 104

39 11 OBDG11 Engine Diagnostics COMMON SECTION COMPONENT/ SYSTEM FAULT CODE MONITOR STRATEGY DESCRIPTION MALFUNCTION CRITERIA THRESHOLD VALUE SECONDARY PARAMETERS CONDITIONS TIME REQUIRED MIL ILLUM. vehicle speed > mph f time > 300 sec Engine Running = TRUE f time > 600 sec a b < 4.5 C with a captured intake ait = measured temperature at start parameter with b minimum intake air = measured temperature value f the parameter comparision with the reference temperature during driving cycle Fuel Sens P111D Detects bias Fuel Path 1: a b <= 20 C fail conditions B Sens Intake Air a b see LookUpTable #2 > 100 to 999 C with exists f 0.1 s Sens by comparing thier startup values. with a captured intake air temperature at start with b captured fuel temperature at start = measured parameter = measured parameter a captured intake air temperature at start with b captured fuel temperature at start as reference temperature = measure d paramet er = measure d paramet er engineoff time >= sec Path 2: ambient temperature > C a b see LookUpTable #2 <= 100 to 999 C monit runs once per trip with 0.1 s rate whenever enable conditions are met with Engine Running = TRUE COMMON SECTION Page 37 of 104

40 11 OBDG11 Engine Diagnostics COMMON SECTION COMPONENT/ SYSTEM FAULT CODE MONITOR STRATEGY DESCRIPTION MALFUNCTION CRITERIA THRESHOLD VALUE SECONDARY PARAMETERS CONDITIONS TIME REQUIRED MIL ILLUM. a captured intake air temperature at start = measured parameter f with time > 0 sec b captured fuel temperature at start = measured parameter engine post drive/ afterun = FALSE a b see LookUpTable #5 > 20 to 999 C with a captured intake air temperature at start = measured parameter diagnostic perfmed in current drive cycle = FALSE with basic enable conditions met: = see enable b captured fuel temperature at = measured start parameter NO Pending Confirmed DTCs: = see inhibit status of block heater = FALSE active under following condition engine speed > 500 rpm f time > 60 sec a b < 1.8 C with a reference temperature engine coolant temperature captured during start = calculated parameter with b engine coolant temperature value f the comparision with the = measured parameter reference temperature status of sunload detection = FALSE active under following condition COMMON SECTION Page 38 of 104

41 11 OBDG11 Engine Diagnostics COMMON SECTION COMPONENT/ SYSTEM FAULT CODE MONITOR STRATEGY DESCRIPTION MALFUNCTION CRITERIA THRESHOLD VALUE SECONDARY PARAMETERS CONDITIONS TIME REQUIRED MIL ILLUM. vehicle speed > mph f time > 300 sec Engine Running = TRUE f time > 600 sec a b < C with a captured intake air temperature at start with b minimum intake air temperature value f the comparision i with the reference temperature during driving cycle = measured parameter = measured parameter HO2S Current P11B5 Compares the ratio of valid a / b < 0.1 ratio fail conditions B lambda signal time to total time Bank 1 a The time f which lambda = calculated NOx sens s heater temperature = TRUE with a threshold signal is valid, once the lambda parameter has reached the set point Sens 2 feedback diagnosis is enabled b The time duration f which lambda feedback diagnosis is enabled = calculated parameter f time > 2 sec f time > 120 sec Enabling Downstream NOx = TRUE sens heater diagnosis please see the definition a b see LookUpTable #76 <= 0.1 to 22 exists f me than 20 sec monit runs with 0.02 s rate whenever enable conditions are met COMMON SECTION Page 39 of 104

42 11 OBDG11 Engine Diagnostics COMMON SECTION COMPONENT/ SYSTEM FAULT CODE MONITOR STRATEGY DESCRIPTION MALFUNCTION CRITERIA THRESHOLD VALUE SECONDARY PARAMETERS CONDITIONS TIME REQUIRED MIL ILLUM. a Reciprocal lambda signal after combustion b Filtered reciprocal lambda signal after combustion = measure d paramet er = measure d paramet er f time > 5 sec NO Pending Confirmed DTCs: = see inhibit basic enable conditions met: = see enable NOx Sens Signal High Bank 1 Sens 1 P11CB Detects a high deviation of the measured NOx sens concentration from the modeled NOx concentration Filtered NOx concentration deviation from model > The signal of the NOx sens is ready Nmal Mode Particulate Filter Regeneration not active f time 15 sec ambient pressure >= 75 kpa ambient pressure <= 106 kpa ambient temperature >= 7.04 C ambient temperature <= C = TRUE fault exists f me than 10s monit runs once B per trip with 0.1 s rate whenever enable conditions = TRUE are met steady range upper delta of filtered modeled NOxconcentration upstream of the <= to SCR see LookUpTable #63 12 steady range lower delta of filtered modeled NOxconcentration upstream of the SCR see LookUpTable #64 <= to COMMON SECTION Page 40 of 104

43 11 OBDG11 Engine Diagnostics COMMON SECTION COMPONENT/ SYSTEM FAULT CODE MONITOR STRATEGY DESCRIPTION MALFUNCTION CRITERIA THRESHOLD VALUE SECONDARY PARAMETERS CONDITIONS TIME REQUIRED MIL ILLUM. dynamic ratio of filtered modeled >= NOxconcentration upstream of the SCR see LookUpTable #65 3 to f time > 1 sec OR dynamic ratio of filtered modeled NOxconcentration upstream of the SCR <= f time > 1 sec f time > 2 sec time since engine start > 30 sec engine coolant temperature >= C engine coolant temperature <= C Exhaust gas temperature enable range f the plausibility check of the NOx sens upstream from the SCR see LookUp Table #75 >0 0 to 1 Fuel Injection pattern see Look UpTable #68 = 0 to = pilot 1 main 56 = pilot 2, pilot 1, main 58 = pilot 2, pilot 1, main, post 2 0 = all off overrun COMMON SECTION Page 41 of 104

44 11 OBDG11 Engine Diagnostics COMMON SECTION COMPONENT/ SYSTEM FAULT CODE MONITOR STRATEGY DESCRIPTION MALFUNCTION CRITERIA THRESHOLD VALUE SECONDARY PARAMETERS CONDITIONS TIME REQUIRED MIL ILLUM. Engine speed injection quantity enable range f the plausibility check of the NOx sens upstream from the SCR see LookUpTable # to 1 f time > 0.5 sec measured air mass per cylinder >= 0.0 g/rev measured air mass per cylinder <= 4 g/rev f time > 5 sec Diagnostic has not already = FALSE completed this driving cycle NO Pending Confirmed DTCs = see inhibit basic enable conditions met: = see enable NOx Sens Signal Low Bank 1 Sens 1 P11CC Detects a high deviation of the measured NOx sens concentration from the modeled NOx concentration Filtered NOx concentration deviation from model see Look UpTable #77 < to The signal of the NOx sens is ready Nmal Mode Particulate Filter Regeneration not active f time > 15 sec ambient pressure >= 75.0 kpa ambient pressure <= 106 kpa ambient temperature >= 7.04 C ambient temperature <= C = TRUE fault exists f me than 10s monit runs once B per trip with 0.1 s rate whenever = TRUE enable conditions are met steady range upper delta of filtered modeled NOxconcentration upstream of the <= to SCR see LookUpTable #63 12 steady range lower delta of filtered modeled NOxconcentration upstream of the SCR see LookUpTable #64 <= to COMMON SECTION Page 42 of 104