MERCEDES P1XXX CODES 4/27/2000 Gasoline Engines Mercedes Pcode P0801 P1031 P1131 P1132 P1137 P1138 P1146 MERCEDES P1XXX CODES Gas and Diesel OBD-II Pcode Definition Engine/Climate control electric cooling fan malfunction. O2 sensor (G3/3 and G3/4) connections reversed O2 sensor B1S1 short circuit. O2 sensor B1S1 Adaption at "Rich" stop. Too much air in mixture. O2 sensor B1S2 short circuit. O2 sensor B1S2 operating condition. Mass air flow circuit malfunction - Bank 2 (left) P1147 ECT circuit malfunction - Bank 2 (left) P1148 IAT circuit malfunction - Bank 2 (left) P1149 MAP circuit malfunction - Bank 2 (left) P1162 P1163 P1170 P1176 P1177 P1178 P1179 P1180 Throttle position sensor circuit failure - Bank 2 (left) Oil level switch. Short term fuel trim (STFT) at rich or lean stop of adaptation. Oil pressure sensor open circuit or short circuit, malfunction. Oil sensor, temperature incorrect. Oil sensor, engine oil level incorrect. Oil sensor, engine oil quality incorrect. Oil sensor, engine oil 1
P1181 P1182 P1183 P1184 P1185 P1186 P1225 P1235 P1236 P1300 P1335 P1336 P1337 P1340 P1341 P1342 P1384 P1385 P1386 P1397 temperature too high Engine electric-fan /Air conditioning malfunction Starting system relay in fuse and relay module box Right cylinders bank cutoff output stage malfunction Left cylinders bank cut-off output stage malfunction Water in engine oil, Oil sensor Fuel saftey shut-off recognized. Resonance intake manifold switchover valve circuit Air-flap recirculated signal output stage faulty A/C compressor output stage, magnetic combination incorrect CKP sensor circuit failure - Bank 2 (left) Engine speed signal TNA from diagnostic module (OBD-II) not received. Crank Position Sensor (CKP) signal: Magnetic coding on segment. Engine speed signal TNA not transmitted from engine control module. CMP sensor or camshaft Hall-effect sensor monitoring signal from engine control module. Adjustable camshaft timing solenoid system malfunction. Logical fault. Electrical activation or adjustable camshaft timing solenoid fault. Knock sensor circuit malfunction - Left front. Knock sensor circuit malfunction - Left rear. Knock sensor control from electronic control module - at limit CMP sensor circuit range/performance - Bank 2 (left) 2
P1400 P1411 P1420 P1443 P1444 P1453 P1463 P1490 P1491 P1492 P1519 P1522 P1525 P1533 P1542 P1570 P1580 P1581 P1584 P1587 EGR (exhaust gas recirculation) output stage faulty. Electrical activation of EGR switchover valve faulty. Secondary Air Injection System - Incorrect flow detected. Air-pump switchover valve circuit EVAP system malfunction - Bank 2 (left) EVAP pressure switchover without function (no flow detected). Air-pump relay, relay module, fuse or circuit Left AIR system malfunction EVAP system purge control valve circuit malfunction - Bank 2 (left) A/C system refrigerant pressure too high Exhaust-flap faulty Right or sole adjustable camshaft timing solenoid mechanically faulty. Left adjustable camshaft timing solenoid mechanically faulty. Right or sole adjustable camshaft timing solenoid electrically faulty Left adjustable camshaft timing solenoid electrically faulty Pedal position sensor signal CAN bus signal from DAS to the ME-SFI control unit - DAS locked, signal interrupted, mismatched ECMs. Right or sole EA/CC/ISC Actuator circuit faulty Left EA/CC/ISC Actuator circuit faulty Stop lamp switch/brake switch signal Left engine control module voltage supply faulty. 3
P1588 P1589 P1603 P1605 P1632 P1641 P1642 P1643 P1644 P1681 P1700 P1701 P1711 P1740 P1741 P1747 CAN bus signal from the RCL controller to the Left engine controller faulty. Knock sensor control from the left engine controller at limit. CAN bus problem. No data reception from EIS CAN fault. ABS speed sensor error vs. VSS (RPM) Left engine control module faulty. Right of left CTP signal to the engine control module faulty or CAN bus communication by the left engine control has been interrupted. Engine control module incorrect coding (MT coded has AT) Engine control module incorrect coding or CAN signal from Transmission system faulty. Transmission control module, voltage too low. Transmission control system version cannot be checked. Crash signal not plausible Transmission up shift delay switchover valve without function. Logical fault. (Check Bowden cable adjustment and vacuum.) Electrical activation of up shift delay switchover valve fault. Electrical activation of resonance intake manifold switchover valve. Full load information: Load implausible. Full load information: Throttle valve position implausible. CAN signal from ETC. CAN signal failure from ETC or instrument cluster faulty. 4
P1750 Diagnostic module voltage supply from circuit 30 too low. Diesel Engines Mercedes Pcode OBD-II Pcode Definition P0100 Hot Film Mass Air Flow Sensor (B2/5) P0105 P0105 Pressure sensor (B28) P0110 P0110 IAT sensor (B17) P0115 P0115 ECT sensor (B11/4) P0180 P0181 Fuel temperature sensor (Y1/1b1) P0400 P0400 EGR, Pressure control, intake manifold pressure P0500 VSS P0600 CAN data bus P0703 Stop lamp switch (S9/1) P1105 P0106 Atmospheric pressure sensor in control module P1220 P0200 Fuel quantity actuator P1221 (IFI) (Y23/1) CAN communication with ASR Interrupted. P1222 P0220 IFI accelerator pedal position sensor (R25/2) P1223 P0200 Fuel rack position sensor (Y23/1 1) P1330 Starter Operation P1335 P0725 CKP sensor (IFI) (L5/6) P1401 P0403 EGR lifting sender (B28/3) P1404 EGR Valve Vacuum Transducer. P1470 P0120 Pressure control flap vacuum transducer (Y31/2) P1475 P0200 Resonance intake line switchover valve (Y22/7) P1476 P0200 Resonance intake manifold switchover valve (Y22/6) P1480 P0380 Preglow control P1481 Glow Plug Failure P1482 Preglow Control Unit (N14/2) P1520 Cruise control switch (S40) P1610 Voltage supply missing or relay module (K40) Fault Explanation Test 5
P1611 P0200 IFI control module (N3/7) Internal Reference Voltage. P1612 IFI control module (N3/7) voltage, circuit 15 P1613 P0200 IFI control module (N3/7) stabilization. P1614 P0200 IFI control module (N3/7) or fuel metering actuator (Y23/1k1) or fuel rack position sensor (Y23/1 1) P1615 P0560 IFI control module (N3/7) supply voltage I P1617 EEPROM of Control Module Faulty or Control Module Not Coded P1622 Electro hydraulic shut-off actuator (Y1/1) P1625 CHECK ENGINE MIL P1630 Drive authorization signal P1705 Starter lock-out/backup lamp switch (S16/1) P1180 Modulating pressure switchover valve (AT/CC) (Y3/4)or up shift delay switchover valve (AT/CC) (Y3/5) P1781 Up shift delay switchover valve (AT/CC) (Y3/5) see HHT "version coding" P0105 P0105 Pressure sensor (1328) P0110 P0111 IAT sensor (1317) P0115 P0115 ECT sensor (1311) P0180 P0181 Fuel temperature sensor (Yl/lbl) P0600 P0600 CAN data bus P0700 P0700 Transmission failure see DM, Chassis and P0700 P0775 Transmission failure Drive train, P0700 P0720 Transmission failure P0700 P0730 Transmission failure P0700 P0740 Transmission failure P0702 P0702 Transmission failure P0702 P0743 Transmission failure P0702 P0748 Transmission failure P0702 P0753 Transmission failure P0702 P0758 Transmission failure P0702 P0763 Transmission failure P1105 P0106 Atmospheric pressure sensor in control module P1220 P0200 Fuel quantity actuator 6
(IFI) (Y23/1) P1221 P0600 CAN communication, ETC or ETS interrupted P1222 P0220 IFI accelerator pedal position sensor (R25/2) P1223 P0200 Fuel rack position sensor (Y23/111) P1335 P0725 CKP sensor (IFI) (1-5/6) P1401 P0403 EGR lifting sender (B28/3) P1404 P0400 EGR control P1470 P0120 Pressure control flap vacuum transducer (Y31/2) P1475 P0200 Resonance intake manifold switchover valve (Y22/6) P1476 P0200 Resonance intake line switchover valve (Y22/7) P1480 P0380 Preglow control P1481 P1365 P1367 P1369 Glow plug failure, cylinder 1-2 Glow plug failure, cylinder 3-4 Glow plug failure, cylinder 5-6 P1482 P0380 Preglow control module P1520 (N14/2) Cruise control switch (S40) P1610 P0560 Voltage supply missing or relay module (K40) P1611 P0200 IFI control module (N3/7) P1612 P0560 IFI control module (N3/7) voltage, circuit 15 P1613 P0200 IFI control module (N3/7) P1614 P0200 IFI control module (N3/7) or fuel metering actuator (Y23/1 k1) or fuel rack position sensor (Y23/111) P1615 P0560 IFI control module (N3/7) supply voltage P1617 P0200 Control module or not coded see HHT "version coding" menu selection 5 P1622 P0215 Electro hydraulic shut-off actuator (Y1/1) P1630 Drive authorization signal see section A4 or HHT actual values "drive authorization" menu 7