DTC Troubleshooting: B1202 (P)

DTC B1202 or DTC indicator P:  Climate Control Unit Internal Error


NOTE: Check the battery condition and the charging system, L13A7 engine, R18A2 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 P 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