CAN communication
â–¶ How to fix
Check whether more fault codes affecting the yellow CAN bus have been registered. Check the yellow CAN bus cable harness and connectors and measure the voltage level. If necessary, use the description of "Communication problems" under "Help" in SDP3. Set the Resetting of additional speed signal parameter (Reset heartbeat) to "OFF" if the fault is recurrent.
What you'll see
No driver-visible symptom recorded.
System reaction
No system-reaction text recorded.
Diagnostic depth
Detection
Fault in communication with the instrument cluster (ICL) through CAN.
Possible cause
There may be an open circuit or loose connection in the cable harness for the yellow CAN bus.