B1238

DTC B1238: A Problem in the Passenger's Air Mix Control Linkage, Door, or Motor

1. Clear the DTC.
2. Turn the ignition switch OFF, and then ON.
3. Operate the climate control system is several modes.
4. Check the DTCs.

Is DTC Q or B1238 indicated?

YES - Go to step 5.

NO - Intermittent failure.

5. Test the passenger's air mix control motor.

Is the passenger's air mix control motor OK?

YES - Substitute a known-good audio-HVAC display panel, and recheck. If the symptom/indication goes away, replace the original audio-HVAC display panel.

NO - Replace the passenger's air mix control motor, or repair the passenger's air mix control linkage or door.