1. Refer to the applicable ETM and check the A/T control relay fuse in the engine compartment:

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Morgan Harrington
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1 2003 XG AUTOMATIC TRANSAXLE DIAGNOSTIC TROUBLE P1723 Report a problem with this article This TSB supersedes TSB to include additional models. DESCRIPTION DTC P1723 (A/T control relay-open/short) may be accompanied by the following symptoms: MIL illuminated Transaxle held in 3rd gear fail-safe Harsh shift into Reverse or Drive If you are servicing a vehicle with these symptoms, follow the repair procedure. REPAIR PROCEDURE: 1. Refer to the applicable ETM and check the A/T control relay fuse in the engine compartment: 2. MODEL FUSE WIRING DIAGRAM 2003 Elantra SD-6 (ECU 20A) SD Tiburon SD-8 (ECU 30A) SD-76, SD Sonata SD-4 (#6, 20A) SD-104, SD Santa Fe SD-4 (ATM 20A) SD-84, SD XG350 SD-4 (#20, 20A) SD88 If the fuse is: FUSE REPAIR PROCEDURE BLOWN Replace the fuse and go to Step 3. OK Check the control wiring harness for an open or short to ground between the TCM and A/T control relay according to the applicable ETM (see above chart). If the wiring is ok, replace the A/T control relay, P/N Check the control wiring harness between the fuse, A/T control relay, TCM/PCM and solenoid connector on the transaxle for a short to ground (see chart above). Repair or replace the harness. FOR 1999 SONATA ONLY : If the wiring harness is ok, go to Step 4. REPAIR PROCEDURE FOR BLOWN A/T CONTROL RELAY FUSE (1999 SONATA ONLY): NOTE The harness protector was improved from the production of 5/13/99 to reduce the possibility of a short to ground. 4. Drain the radiator. 1/6

5. Remove the lower radiator hose from the radiator. 6. Drain the ATF. 7. Remove the valve body cover from the transaxle. 8. Remove the manual control shaft detent.

Check for a short circuit against the edge of the valve body due to damaged insulation. 10. If the harness insulation is damaged, go to Step 11.

2 5. Remove the lower radiator hose from the radiator. 6. Drain the ATF. 7. Remove the valve body cover from the transaxle. 8. Remove the manual control shaft detent. 9. Inspect the solenoid harness wiring in the area beneath the control shaft detent. Check for a short circuit against the edge of the valve body due to damaged insulation. 10. If the harness insulation is damaged, go to Step 11. If not, goto Step Disconnect the harness at the solenoid connector. 12. Remove the snap ring to the solenoid connector. 2/6

Remove the solenoid harness. 17. Install the new solenoid harness.

3 13. Disconnect the connectors to the solenoids and temperature sensor. 14. Remove all the valve body boltsexcept the three brass bolts at the top of the valve body. 15. Remove the valve body and gasket. 16. Remove the solenoid harness. 17. Install the new solenoid harness. Insert the connector into the transaxle case and install the snapring. 18. Confirm the two steel balls are installed on the valve body. 3/6

19. Install a new valve body gasket, P/N 46264-39510, to the valvebody. 20. Carefully align the manual valve on the valve body to the manualcontrol shaft and reinstall the valvebody. 21.

Adjust the harness so it will not make contact with either the valve body or control shaft detent. Reinstall the harness snap ring and reconnect the harness. 24. Reinstall the control shaft detent.

4 19. Install a new valve body gasket, P/N , to the valvebody. 20. Carefully align the manual valve on the valve body to the manualcontrol shaft and reinstall the valvebody. 21. Reinstall the valve body and tighten the valve body bolts to 7-8 lb.ft ( kg.cm). 22. Reconnect the harness to the solenoids and oil temperature sensor. 23. Adjust the harness so it will not make contact with either the valve body or control shaft detent. Reinstall the harness snap ring and reconnect the harness. 24. Reinstall the control shaft detent. 25. Apply Permatex Ultra Gray Gasket Sealant or Hyundai Ultra Gray Gasket Sealant, P/N , to the valve body cover and reinstall the cover. Tighten the boltsto 6-7 lb.ft ( kg.cm). 26. Reinstall the radiator hose and add engine coolant to the radiator. 27. Add Hyundai SP-III ATF and check the level with the engine idling in Neutral /6

5 Test drive the vehicle until the ATF is at normal operating temperature ( C, F). Adjust the ATF level to within the "HOT" mark on the dipstick. PARTS INFORMATION MODEL DESCRIPTION PART NUMBER 1999 ~ Sonata 2001 ~ Elantra 2001 ~ Santa Fe 2001 ~ XG300/ ~ Tiburon 1999 Sonata A/T control relay Solenoid harness All Oil temperature sensor WARRANTY INFORMATION: REPLACE A/T RELAY: Valve body gasket MODEL OP OPERATION TIME QTY CAUSAL P/N NATURE CAUSE 2001 ~ Santa Fe 2001 ~ 0.5 XG300/ Tiburon 9544R00 A/T control relay 2001 Elantra ~ Sonata *N94 **C ~ Sonata 95445R0K 0.5 All 95445RP0 Scan Tool Operation 0.4 *N94: Inoperative **C15: Poor Contact And Short, Open Circuit REPLACE SOLENOID HARNESS: MODEL OP OPERATION TIME QTY CAUSAL P/N NATURE CAUSE 1999 Replace solenoid 46307R0F 2.7 Sonata harness All 45775RP0 Scan Tool Operation *N69 **C15 *N69: Warning light on 5/6

6 **C15: Poor contact And short, open circuit 6/6

ALLDATA Online Hyundai Truck Santa Fe V6-3.5L - A/T Controls - MIL ON/Fa...

ALLDATA Online Hyundai Truck Santa Fe V6-3.5L - A/T Controls - MIL ON/Fa... Page 1 of 5 Group: TRANSAXLE Number: 05-40-006-1 Date: August, 2005 Models: 1999 - Sonata 2001 - Elantra, Santa FE & XG, 2003 - Tiburon 2005 - Tucson Subject: ATA SOLENOID DIAGNOSTIC CODES P0740, P0741,