ABS for trailer
â–¶ How to fix
Check the fuse for the trailer ABS supply. Try uncoupling the trailer to see whether the fault code is still active. If this is the case, check that the circuit from the coordinator is not broken.
What you'll see
No driver-visible symptom recorded.
System reaction
No system-reaction text recorded.
Diagnostic depth
Detection
The supply voltage in the trailer ABS control unit circuit has been below the permitted level.
Possible cause
The fault may be due to: The fuse for the trailer ABS supply has blown. Open circuit in trailer ABS control unit. Faulty trailer connector. Internal fault in the trailer ABS control unit.