Mode Door Feedback Failure

Test 1 - 4:

Test 5 - 7:

Test 8 - 10:

Test 11 - 14:

Test 15 - 18:

SYMPTOM
MODE DOOR FEEDBACK FAILURE

TEST NOTE
This symptom is diagnosed using the test MODE DOOR FEEDBACK FAILURE.

WHEN MONITORED
At the first ignition ON after a battery disconnect or upon request of the HVAC control or the DRBIII.

SET CONDITION
This code will set if the BCM does not receive proper feedback signal when drive voltage is being applied to the mode door actuator.

POSSIBLE CAUSES
- Blend air door actuator
- Body control module
- Mode door feedback signal circuit short to battery
- Common door driver wire open
- Sensor ground wire open
- Mode door feedback signal circuit open
- Mode door driver wire open
- Mode door feedback signal circuit short to ground.
- 5 volt supply circuit open
- 5 volt supply circuit short to ground.
- 5 volt supply circuit short to voltage
- 5 volt supply circuit short to sensor ground
- Mode door actuator short to sensor ground
- Mode door actuator
- Mode air door actuator
- Body control module-common door driver
- Body control module-mode door driver
- Body control module