Mercedes Benz Truck ML 350 BLUETEC (164.125) V6-3.0L DSL Turbo (642.820) A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts Part 2 CAN controller
CAN controller: CAN bus OFF 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 sockets (N73) B.2 and (N73) C.1 Specified value - Voltage [11.0...14.5] V Question Are the measurement values OK? YES The measurement values are OK.Possible cause and...