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DIAGNOSIS <S-AWC(SUPER ALL WHEEL CONTROL)> TSB Revision AUTOMATIC TRANSAXLE 23C-225 STEP 2. M.U.T.-III diagnostic trouble code. −Troubleshooting ). Q: Is the diagnostic trouble code set? YES : Perform the relevant troubleshooting. STEP 3. Check whether the diagnostic trouble code is YES : Replace the AWC-ECU. (Refer to go to Step 4. NO : Intermittent malfunction. (Refer to GROUP 00 − How to Cope with Intermittent Malfunction ). STEP 4. Check whether the diagnostic trouble code is YES : Return to Step 1. Code No.U0101: Transaxle Time-out Error CAUTION • If there is any problem in the CAN bus lines, an incorrect diagnostic trouble code may be • Whenever the ECU is replaced, ensure that the CAN bus lines are normal. . OPERATION AWC-ECU communicates with TCM via the CAN bus . DIAGNOSTIC TROUBLE CODE SET The code is set when the signal sent from the TCM . PROBABLE CAUSES • Malfunction of the CAN bus line • Malfunction of power supply circuit system (TCM) • Malfunction of ECU (TCM) • Malfunction of AWC-ECU • ETACS coding failure (coding of A/T specification for a vehicle with M/T specification) DIAGNOSTIC PROCEDURE STEP 1. M.U.T.-III CAN bus diagnostics. YES : Go to Step 2. − Troubleshooting ). |