Control units, ACS
â–¶ How to fix
Spare parts program the control units. Check the connectors, particularly pins A10, A11 and A12 on each control unit.
What you'll see
No driver-visible symptom recorded.
System reaction
No system-reaction text recorded.
Diagnostic depth
Detection
The ACS control units have different parameter settings or there is a defective cable harness.
Possible cause
Faulty control unit or improperly programmed control unit. Short circuit or open circuit.