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DIAGNOSIS TSB Revision KEYLESS OPERATION SYSTEM (KOS) 42B-123 STEP 5. Recheck for diagnostic trouble code. YES : Start over at Step 1. DTC U1415: Coding not completed/Data fail CAUTION • If the DTC U1415 is set, diagnose the CAN bus lines. • When replacing the ECU, always check that the communication circuit is normal. . DIAGNOSTIC FUNCTION If the vehicle information data is not registered to the . JUDGMENT CRITERIA With the global coding counter value "0," if all the glo- . TROUBLESHOOTING HINTS • The CAN bus line may be defective. • The KOS-ECU may be defective. • The ETACS-ECU may be defective. DIAGNOSIS Required Special Tools: • MB991958: Scan Tool (M.U.T.-III Sub Assembly) • MB991824: Vehicle 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) |