Mercedes Benz

2010 Mercedes Benz SLK 55 AMG (171.473) V8-5.5L (113.989) Copyright ? 2013, ALLDATA 10.52SS Page 1 A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts Part 2 No CAN message was received from control unit N80 (SCM [MRM] control unit). 1.3.2.1.5. Check power supply at control unit EZS. Test prerequisite - Battery voltage is OK. - Fuse F34.f36 is OK. Status of relevant actual value: - Power supply:Warning! Communication with ECU required. Specified value - Power supply [11.0...14.5] V Question - Is the actual value o.k.? YES The actual value is okay.Possible cause and remedy - In the event of stored faults with a high fault frequency count or in the event of customer complaints, check lines and connectors for loose contact and corrosion.. - Check alternator. End of test NO The actual value is not o.k.Test sequence - Switch off ignition. - Detach sockets A and C at component N73 (EIS [EZS] control unit). - Measure direct voltage with multimeter between...

2010 Mercedes Benz SLK 55 AMG (171.473) V8-5.5L (113.989) Copyright ? 2013, ALLDATA 10.52SS Page 1 A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts Part 1 No CAN message was received from control unit N80 (SCM [MRM] control unit). Possible cause: - Check the CAN communication with control unit N80 (Steering column module). - Chassis CAN bus Affected functions: - CAN Communication - Automatic transmission Function ------------------------------------------------- Test 1: Engine compartment CAN test Test 2: Check the CAN communication with control unit N80 (Steering column module). Test 3: Chassis CAN test 1. Engine compartment CAN test Test 1.1: Procedure in case of CAN faults Test 1.2: Evaluation of CAN fault codes Test 1.3: Further CAN test options 1.1. Procedure in case of CAN faults Test 1.1.1: How do I quickly reach my goal? Test 1.1.2: General test information Test 1.1.3: General CAN fundamentals Test 1.1.4: Possible aids and their usage 1.1...