DTC Troubleshooting: B1202 (C+AUTO)

DTC B1202 or DTC indicator C and AUTO:   Climate Control Unit Internal Error

NOTE: Check the battery condition and the charging system, except K20Z2 engine, K20Z2 engine.

1.Clear the DTC with the HDS.

2.Turn the ignition switch OFF, and then ON (II).

3.Do the self-diagnostic with the HDS or climate control unit.

4.Check for DTCs.

Is DTC B1202, or C and AUTO indicated?


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


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