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DIAGNOSIS <TC-SST> TSB Revision TWIN CLUTCH- SPORTRONIC SHIFT TRANSMISSION (TC-SST) 22C-285 STEP 3. Replace the mechatronic assembly, and check if (2) Drive with shifted in the 2nd gear and 4th gear. YES : Replace the transaxle assembly. (Refer to .) NO : This diagnosis is complete. DTC P1890 TEACH-IN NOT COMPLETED 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. . DIAGNOSTIC FUNCTION TC-SST-ECU checks that Teach-In is completed nor- . DESCRIPTIONS OF MONITOR METHODS It is judged that Teach-In is not completed normally. . PROBABLE CAUSES • Teach-In not completed 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. STEP 2. Check whether the DTC is reset. switch ON position, check that the DTC is reset. Q: Is DTC No.P1890 set? YES : Go to Step 3. to Cope with Intermittent Malfunction .) |