Defect Code 21

Defect Code 21:

*D* Defect code memory: 21 Signal from wiper reset contact faulty:

Explanation: This detect code is stored when the general module (GM) receives no wiper reset signal 16 s after activation of the wiper.

Possible causes:

- Wires
- Reset contact
- Wiper motor
- Icing/dirt build-up

Troubleshooting: As displayed on screen