CAN_A_CTRL_BUSOFF; CAN Power Train electrical error (Bus off)
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);Hold the current gear;Deactivate shifting pressure adaption and use last adaption values;Special closing procedure of lock-up clutch;Special fast procedure to change into Neutral gear;Increase main pressure up to a certain value;Reduced retarder torque;Reduced engine torque;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
TCU; CAN – Controller can not read back the written information. Node to bus is not available.; Normal mode
Increased fuel consumption Limited driving operation Reduced driving performance Reduced retarder braking performance;