Fault Code 4276

Fault Code 4276

Valve relay

Diagnostic conditions
- Actual values of solenoid valves are evaluated and display implausible values
- Valve relay does not pick up, drops out or sticks
- Short circuit to ground or open circuit in electric circuit to control module terminal 6

Possible cause of fault
- Fuse E9 faulty
- Wire/ plug connection faulty
- PSM hydraulic unit faulty
- PSM 5.3 valve relay faulty

Affected terminals
PSM 5.7 terminal 6
PSM 5.3 terminals 2, 37

Diagnosis/troubleshooting PSM 5.7







Diagnosis/troubleshooting PSM 5.3