Slave control unit
â–¶ How to fix
Check the CAN connection to the slave control unit. Carry out spare parts programming and check the function of the slave control unit.
What you'll see
No driver-visible symptom recorded.
System reaction
No system-reaction text recorded.
Diagnostic depth
Detection
The CAN communication to the slave control unit has taken too long.
Possible cause
Fault in the CAN connection to the slave control unit.