Mode Door Output Shorted to Battery - ATC & MTC
Test 1 - Test 3:
Test 4 - Test 6:
Test 7 - Test 9:
Test 10 - Test 11:
SYMPTOM
MODE DOOR OUTPUT SHORT TO BATTERY - ATC and MTC
TEST NOTE
This symptom is diagnosed using the test BLEND DOOR OUTPUT SHORT TO BATTERY - ATC & MTC.
WHEN MONITORED
Whenever the BCM attempts to drive the Mode Door Actuator.
SET CONDITION
This DTC will set if the BCM detects a short to voltage on the Mode Door Driver circuit. All Door Output Shorted To Batt DTCs may set if at least one door output is shorted.
POSSIBLE CAUSES
- Door driver circuit(s) shorted to battery
- 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