B1202

DTC B1202 or EEPROM error is indicated.:
Climate Control Unit Internal Error

NOTE:
- Check the battery condition and the charging system.
- If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN system diagnosis test mode A.

1. Clear the DTC with the HDS.
2. Operate the climate control system in several modes.
3. Check for DTCs using the HDS or self-diagnostic.

Is DTC B1202 or EEPROM error indicated?

YES - The climate control unit is faulty, replace the climate control unit.

NO - Intermittent failure, the climate control unit is OK at this time.