Fault Code 4276

Fault Code 4276

Valve Relay
Valve supply voltage is evaluated and displays implausible values for a number of valves

Diagnostic conditions
- Ignition on

Possible cause of fault
- Fuse E9 or F7 faulty
- Short or open circuit in the B+/ground supply to control unit
- Hydraulic unit faulty

Affected pins
Pin 6

Diagnosis/troubleshooting

Work Instruction 1 - 2: