Download Ata Solenoid Diagnostic Codes P0740-P0770 2005 Hyundai – 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 (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.