DME 7.8

P1600

216 CAN timeout PSM - open circuit

Diagnosis conditions
- Vehicle has PSM
- Battery voltage greater than 10 V
- Ignition on

Possible fault cause
- Wiring harness
- PSM control module not connected
- PSM control module faulty

NOTE:
- If all CAN bus faults are stored, there must be a short circuit in the CAN bus wiring.
- If one CAN bus fault is stored, the cruise control system is out of order.
- CAN bus faults may be caused by a control module reset. The fault is then indicated as "Not present".

Affected terminals
Terminal IV/36 and IV/37

Diagnosis/troubleshooting

Part 1:

NOTE: The wires are routed via two connectors.

Part 2:

NOTE: The wires are also routed to the instrument cluster.

Part 3: