2006 Hyundai Azera Ata Solenoid Diagnostic Codes P0740, P0741, P0742, P0743, P0746, P0748, P0750, P0755, P0760
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This TSB supersedes TSB# 05-40-006-1 to include 2006 Azera. DESCRIPTION: Incorrect operation of the transaxle solenoids may result in the following three symptoms: 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. REPAIR PROCEDURE: 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 (STRT) 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.
This TSB supersedes TSB# 05-40-006-1 to include 2006 Azera. DESCRIPTION: Incorrect operation of the transaxle solenoids may result in the following three symptoms: 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. REPAIR PROCEDURE: 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 (STRT) 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. NOTE: This test confirms only that the wiring harness does not currently have an open or short circuit. It does not confirm the proper functioning of the solenoids under all conditions of heat and vibration or a solenoid with an internal intermittent open/short condition. 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).
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