B1243

DTC indicator R or DTC B1243: A Problem in the Passenger's Mode Control Linkage, Doors, or Motor

1. Clear the DTC by turning the ignition switch OFF, and then ON (II).
2. Operate the climate control system in several modes.
3. Check for DTCs using the self-diagnostic or HDS.

Is DTC R or B1243 indicated?

YES - Go to step 4.

NO - Intermittent failure.

4. Turn the ignition switch OFF.
5. Test the passenger's mode control motor.

Is the passenger's mode control motor OK?

YES - Substitute a known-good climate control unit, and recheck. If the symptom/indication goes away, replace the original climate control unit.

NO - Replace the passenger's mode control motor, or repair the passenger's mode control linkage or doors.