Mode Door Output Shorted to Ground

Test 1 - 2:

Test 3 - 5:

SYMPTOM
MODE DOOR OUTPUT SHORTED TO GROUND

WHEN MONITORED
Whenever the BCM attempts to move one of the HVAC actuators.

SET CONDITION
This DTC will set if the BCM detects one or more of the following outputs shorted to ground: mode door driver, blend door driver, recirculation door driver or the common door driver.

POSSIBLE CAUSES
- Mode door driver circuit short to ground
- Mode door driver CKT short to sensor ground
- Mode door driver wire short to sensor ground
- Mode door actuator
- Wiring harness inspection