Common Output Shorted to Ground - ATC & MTC

Test 1 - Test 3:

Test 4 - Test 6:

Test 7 - Test 9:

Test 10 - Test 12:

SYMPTOM
COMMON OUTPUT SHORT TO GROUND - ATC and MTC

TEST NOTE
This symptom is diagnosed using the test BLEND DOOR OUTPUT SHORT TO GROUND - ATC & MTC.

WHEN MONITORED
Whenever the BCM attempts to drive 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
- Door driver circuit(s) shorted to ground
- Door driver circuit(s) shorted to sensor ground
- Door driver circuit shorted to other door driver circuit(s)
- Common door driver CKT shorted to other door driver CKT(S) - IP harness Side
- Body control module
- Mode door driver circuit shorted to common door driver circuit
- Mode door actuator
- Blend door driver circuit shorted to common door driver circuit
- Blend door actuator
- Recirculation door driver circuit shorted to common door driver circuit
- Recirculation door actuator
- Wiring causing intermittent condition