CAN_A BUSOFF
â–¶ How to fix
Check software status of devices in the vehicle for up-to-date status and compatibility; Check CAN-Bus hardware;
What you'll see
No driver-visible symptom recorded.
System reaction
Deactivate Neutral Standby;Deactivate Automatic Idle Shift;Open lock up clutch;Switch off retarder;Switch off engine brake (If available);;;;;;;;Switch to duty cycle signal Limp Home from Shift Console;EFP restrictions;Switch of engine management at change of gear;Switch off Comfort start;short time slip of lock up clutch locks;
Diagnostic depth
Detection
TCU; CAN – Controller can not read back the written information. Node to bus is not available.; Normal mode
Possible cause
Increased fuel consumption; Limited driving operation; Reduced driving performance; Reduced retarder braking performance;;