Fault Code 4340

Fault Code 4340

Stop Light Switch

Diagnostic conditions
- Ignition on

Possible cause of fault
- Short circuit to ground/voltage or open circuit in circuit to control module terminals 32, 37
- Wiring/plug connection faulty
- Mechanism of the stop light switch not OK
- Adjustment of the stop light switch not OK
- Pressure sensor plausibility

Affected terminals
- Terminals 32, 37

Diagnosis/troubleshooting




Work instructions 1 and 2




Work instructions 3 to 6