Mode Door Feedback Failure - ATC & MTC

Test 1 - Test 2:

Test 3 - Test 4:

Test 5 - Test 7:

Test 8 - Test 10:

Test 11 - Test 14:

Test 15 - Test 17:

Test 18 - Test 21:

Test 22 - Test 23:

SYMPTOM
MODE DOOR FEEDBACK FAILURE - ATC and MTC

WHEN MONITORED
With the ignition on.

SET CONDITION
This DTC will set if the BCM detects voltage below 0.06 volts or above 4.8 volts on the Blend Door Feedback Signal input/Mode Door Feedback Signal input.

POSSIBLE CAUSES
- Check code(s) present
- SUN or in car temperature sensor failure
- Blend door feedback/stall test failure DTC present
- Additional feedback/stall test failure DTCS present
- SUN sensor shorted
- SUN sensor signal circuit shorted to voltage
- Body control module
- Mode door feedback signal circuit shorted to the door driver circuit(s)
- Mode door, linkage, actuator
- Mode door driver circuit open
- Common door driver circuit open
- Body control module
- Sensor ground circuit open
- Body control module
- 5 volt supply circuit shorted to ground
- 5 volt supply circuit open
- 5 volt supply circuit shorted to sensor ground circuit
- Body control module
- Mode door, linkage, actuator
- Mode door feedback signal circuit shorted to ground
- Mode door feedback signal circuit open
- Mode door feedback signal circuit shorted to sensor ground circuit
- Body control module
- 5 volt supply circuit shorted to voltage
- Mode door feedback signal circuit shorted to voltage
- Body control module
- Wiring causing intermittent condition