U0073

U0073

Diagnosis information - Control unit DME (DFI)

Communication with CAN bus (drive)

INFORMATION
- This fault entry was set when the Control unit DME (DFI) could not communicate via the CAN bus (drive).
- The fact that the fault memory can be read out means that there is no problem with communication via the bus (drive) at the moment.

Fault effects
- Communication no longer possible via the CAN bus.
- The radiator fans are running at full speed.

Possible fault causes
- Temporary short circuit or open circuit in CAN bus (drive)
- a control unit in the bus (drive) system is faulty at times