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DIAGNOSIS <TC-SST> TSB Revision TWIN CLUTCH- SPORTRONIC SHIFT TRANSMISSION (TC-SST) 22C-353 STEP 3. Retest the system. YES : Replace the mechatronic assembly. (Refer to .) Then go to Step 4. NO : Intermittent malfunction. (Refer to GROUP 00 − How to Cope with Intermittent Malfunction .) STEP 4. Retest the system. YES : Replace the clutch assembly. (Refer to GROUP 22D −Transaxle .) Then go to Step 5. NO : Intermittent malfunction. (Refer to GROUP 00 − How to Cope with Intermittent Malfunction .) STEP 5. Retest the system. YES : Replace the transaxle assembly. (Refer to .) NO : Intermittent malfunction. (Refer to GROUP 00 − How to Cope with Intermittent Malfunction .) INSPECTION PROCEDURE 12: The gear shifting does not occur. (The transaxle does not upshift or CAUTION Whenever the ECU is replaced, ensure that the . COMMENTS ON TROUBLE SYMPTOM The CAN bus lines, mechatronic assembly, clutch . PROBABLE CAUSES • Malfunction of the CAN bus lines DIAGNOSTIC PROCEDURE Required Special Tools: • MB991958 Scan Tool (M.U.T.-III Sub Assembly) • MB991824: Vehicle Communication Interface (V.C.I.) STEP 1. Scan tool CAN bus diagnostics YES : Go to Step 2. Troubleshooting .) After repairing the CAN bus line, go to Step 2. |