2005 Hyundai Truck Santa Fe TRANSAXLE/ ATA SOLENOID DIAGNOSTIC REPAIR MANUAL

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Subject: ATA SOLENOID DIAGNOSTIC CODES P0740, P0741, P0742, P0743, P0746, P0748, P0750, P0755, P0760, P0765, P0770 This TSB supersedes TSB # 05-40-006 to include DTC descriptions in Step 10. DESCRIPTION: Incorrect operation of the transaxle solenoids may result in the following three symptoms: REPAIR PROCEDURE: 1. Check Engine Light illuminated 2. Transaxle held in 3rd gear “Fail-safe” 3. Diagnostic Trouble Codes P0740, P0741, P0742, P0743, P0746, P0748, P0750, P0755, P0760, P0765 or P0770 set. NOTE: Do NOT replace the transaxle for solenoid codes listed as open/short. Instead, follow the repair procedure shown below. 1. Using a Hi-Scan Pro, check for DTC in both the “Engine” and “Automatic Transaxle” menus. Record the DTC and description. 2. From the Hi-Scan Pro, select: ^”Hyundai Diagnosis” menu ^”Vehicle ^”Auto Transaxle” menu ^”Actuation Test” ^Press the F1 button (STRI) and test the LR, UD, 2ND, OD, DCC and FSV solenoid (if applicable). Monitor the Hi-Scan and listen for a solenoid sound from the engine compartment. ^If Hi-Scan shows: ^”TEST FAILURE” and no solenoid sound is heard, go to Step 3. ^”COMPLETED” and solenoid sound is heard, the wiring between the PCM/TCM has no open or short circuits. Go to Step 5. 3. Visually check the wiring harness between the TCM and transaxle for a damaged wire or a short circuit to ground. Disconnect the connectors to the solenoids at the transaxle and the PCM/TCM and check for a bent pin or a pin not fully inserted into the connector. If so, repair or replace the ECM control harness, P/N 914XX-XXXXX 4. Check the harness inside the transaxle oil pan for a short circuit to ground. Replace the harness if damage is found or if three or more solenoid DTCs are found in Step 1. (Refer to TSB # 04-40-015 for instructions). Zoom Sized for Print 5. Refer to the DTC recorded in Step 1 and follow the repair procedure shown. SOLENOID REPLACEMENT: 6. Remove the battery. 7. Drain the radiator. Remove the lower radiator hose from the radiator. 8. Drain the ATF. 9. Remove the valve body cover from the transaxle