ECA - ECA does not receive CAN messages from the gearbox control unit
â–¶ How to fix
Check CAN connections, connectors and cable harnesses. Also check the gearbox control unit. Renew the ECA
What you'll see
No driver-visible symptom recorded.
System reaction
Amber gearbox warning. If vehicle is standing still, neutral position will be engaged. If driving, locked gear. Neutral position will be engaged when braking to stop. After this the vehicle will not be able to drive off.
Diagnostic depth
Detection
Lost CAN communication.
Possible cause
Broken CAN cable Broken junction or connector