Communication with the CUV control unit
â–¶ How to fix
Check the yellow CAN bus cables and connectors. Check the CUV control unit voltage supply circuit (30) and also the CUV control unit activation signal circuit (15). You can see whether the CUV control unit has generated any fault codes via the instrument cluster.
What you'll see
No driver-visible symptom recorded.
System reaction
No system-reaction text recorded.
Diagnostic depth
Detection
Communication between the coordinator and the visibility system CUV control unit has been interrupted.
Possible cause
The fault may be due to: Open circuit in the yellow CAN bus.Short circuit or open circuit in the CUV control unit power supply.Internal fault in the CUV control unit