54 - Response (Confirmation) From Trans Guard Not Received
DTC 54
Response (Confirmation) From Transmission Guard Not Received
Tolerance time exceeded when torque reduction requested to the DME.
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. Minimal cycle is additionally activated.
Diagnosis conditions
- Ignition on
- No CAN bus fault
- No DME CAN fault
Possible fault cause
- Fault in the DME
Affected terminals
- (none)
Diagnosis/troubleshooting
