Brake control
â–¶ How to fix
Check the control valve and its wiring. The voltage between circuit pin and ground must be 0 volt.
What you'll see
No driver-visible symptom recorded.
System reaction
No system-reaction text recorded.
Diagnostic depth
Detection
The supply voltage to the control valve on the left-hand side of the third axle has been above the permitted level.
Possible cause
Short-circuit to positive voltage or to wiring belonging to another control valve.