Trouble Code Table
| Trouble Code | Cause of Fault |
|---|---|
| 55 | Control unit defective |
| 121 | Radio or radio / TID connection missing |
| 169 | Ambient temperature sensor, short circuit to ground or ambient temperature sensor shows incorrect value |
| 171 | Ambient temperature sensor, short circuit to battery voltage, interruption in wiring harness or ambient temperature sensor faulty |