DTC 37

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

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Part 4: