Heating and Air Conditioning

DTC B1202: A/C Control Panel Internal Error

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

1. Turn the ignition switch OFF then ON.
2. Turn the A/C control system on and operate several functions (A/C ON/OFF, air mix and blend door operations, temperature settings etc.).
3. Check for DTCs using the HDS.

Is DTC B1202 indicated?

YES - The A/C control panel is faulty, replace the A/C control panel.

NO - Intermittent failure, the A/C control panel is OK at this time. Check for loose or poor connections at A/C control panel connector A (22P).