Brake control
â–¶ How to fix
Check the control valve and its wiring. The resistance between the circuit pins must be 16 and 32 ohms respectively.Check the control unit assembly part number if the fault occurs after renewing the control unit and fault codes 0055, 0065 and 00C5 are generated.
What you'll see
No driver-visible symptom recorded.
System reaction
No system-reaction text recorded.
Diagnostic depth
Detection
The current in the circuit on the the left-hand side of the third axle has been below the permitted level.
Possible cause
Damage to the control valve or its wiring has caused an open circuit.