ECA2 does not receive CAN messages from the gearbox control unit
â–¶ How to fix
Check the CAN connection between the gearbox control unit and ECA control unit. Also check connectors and cable harnesses.
What you'll see
No driver-visible symptom recorded.
System reaction
No system reaction
Diagnostic depth
Detection
The ECA does not receive the expected CAN messages from the gearbox control unit.
Possible cause
Incorrect communication from the gearbox control unit to ECA.