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DIAGNOSIS TSB Revision KEYLESS OPERATION SYSTEM (KOS) 42B-55 STEP 2. Using scan tool MB991958, read the ETACS-ECU YES : Troubleshoot the ETACS. (Refer to GROUP 54A, .) NO : Go to Step 3. STEP 3. Recheck for diagnostic trouble code. position. (3) Check if DTC is set. YES : Replace KOS-ECU and register the ID codes. (Refer to NO : The trouble can be an intermittent malfunction (Refer to GROUP 00 − How to use Troubleshooting/inspection Service Points − How to Cope with Intermittent Malfunction DTC B2206: VIN code mismatch . DTC SET CONDITION KOS-ECU sets DTC B2206 when chassis number . TECHNICAL DESCRIPTION (COMMENT) KOS-ECU determines that the abnormality is present . TROUBLESHOOTING HINTS • Malfunction of KOS-ECU (KOS-ECU being regis- tered to another vehicle) • Malfunction of ECM (VIN registered in ECM unmatched) DIAGNOSIS Required Special Tools: • MB991958: Scan Tool (M.U.T.-III Sub Assembly) • MB991824: Vehicles Communication Interface (V.C.I.) • MB991827: M.U.T.-III USB Cable • MB991910: M.U.T.-III Main Harness A (Vehicles with CAN communication system) |