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COMBINATION METER ASSEMBLY TSB Revision CHASSIS ELECTRICAL 54A-76 DIAGNOSIS Required Special Tools: • MB991958: Scan Tool (MUT-III Sub Assembly) • MB991824: Vehicle Communication Interface (V.C.I.) • MB991827: MUT-III USB Cable • MB991910: MUT-III Main Harness A (Vehicles with CAN communication system) STEP 1. Check that the powertrain control module powertrain control module. Q: Is the check result satisfactory? YES : Go to Step 2. − Diagnostic or GROUP 13B, MFI Diagnosis − Diagnostic Trouble Code Chart STEP 2. Using scan tool MB991958, diagnose the CAN bus YES : Diagnose the power supply circuit. Refer to NO : Repair the CAN bus lines (Refer to GROUP 54C, Diagnosis − Can Bus Diagnostic Chart AC305412 AB MB991910 DATA LINK CONNECTOR MB991824 MB991827 |