CAN communication from COO
â–¶ How to fix
Check CAN connections, connectors and cable harnesses. Also check the COO control unit.
What you'll see
No driver-visible symptom recorded.
System reaction
No system-reaction text recorded.
Diagnostic depth
Detection
Message TF from COO has received Time Out.
Possible cause
GMS control unit has not received the TF message via CAN. If the fault codes 11040, 11041, 11050, 11051 and 11090 have been generated, there is probably an open circuit on the CAN cable to the GMS control unit.