Defect Code 27

Defect Code 27:

*D* Defect Code Memory: 27 Headlamp intensive wash relay (SIR relay) defective:

Explanation: This defect code is stored when the general module (GM) detects a defect in activation via the diagnostic link between the SIR relay and the SIR motor.

Possible causes:

- Wires
- Voltage supply K42 SIR relay
- K42 SIR relay
- Relay module

Troubleshooting: As displayed on screen