37 - CAN: Bus Off

DTC 37

37 CAN: Bus Off

The status of the CAN controller is checked. The fault is set when the CAN controller is in the "bus off' state.

NOTE: The redundancy transistor is switched off. The setpoint values of the current regulator are set to 0 and all change-over valves are switched off. The control module is then in emergency operation.

Diagnosis conditions
- Ignition on

Possible fault cause
- CAN bus fault communication is completely disturbed
- Short circuit to ground/voltage or in the wiring harness

Affected terminals
- Terminal L, H

Diagnosis/troubleshooting

Work Instruction 1 - 2:

Work Instruction 3 - 6:

Work Instruction 7 - 9:

Work Instruction 10 - 11: