Heating and A/C

DTC Troubleshooting: B1202

DTC B1202:

A/C Control Panel Internal Error

NOTE:

- Check the battery condition Testing and Inspection and the charging system Charging System Indicator Circuit Troubleshooting.
- If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN system diagnosis test mode A Troubleshooting - B-CAN System Diagnosis Test Mode A.

1. Turn the ignition switch to LOCK (0), then turn to ON (II).

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 How to Troubleshoot the Heating and A/C Systems.

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).�