Recirculation Door Test Failure (Inoperative or Stall)

Test 1 - 2:

Test 3 - 5:

Test 6:

SYMPTOM
RECIRCULATION DOOR TEST FAILURE (INOPERATIVE OR STALL)

WHEN MONITORED
During HVAC motor calibration.

SET CONDITION
The BCM is unable to detect the end of travel for one or more of the HVAC doors.

POSSIBLE CAUSES
- Recirculation door actuator - open
- Common door driver circuit open
- Body control module - common driver open
- Recirculation door driver circuit open
- Body control module - recirculation driver open