Blend Door Feedback Failure

Test 1 - 3:

Test 4 - 6:

Test 7 - 9:

Test 10 - 12:

Test 13 - 15:

Test 16 - 18:

Test 19:

SYMPTOM
BLEND DOOR FEEDBACK FAILURE

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
- Mode door feedback failure DTC present
- 5 volt supply circuit shorted to ground
- 5 volt supply circuit open
- 5 volt supply circuit shorted to sensor ground circuit
- Body control module - 5 volt supply signal open/shorted low
- Mode door actuator shorted low
- 5 volt supply circuit shorted to ground
- 5 volt supply circuit open
- 5 volt supply circuit shorted to sensor ground circuit
- Blend door actuator shorted low
- 5 volt supply circuit shorted to voltage
- Body control module - 5 volts supply high
- Sensor ground circuit open
- Blend door actuator open
- Sensor ground circuit open
- Body control module
- Blend door feedback signal circuit shorted to ground
- Blend door feedback signal circuit open
- Blend door feedback signal circuit shorted to sensor ground circuit
- Blend door actuator open/shorted to ground
- Body control module - Blend door feedback signal open/shorted to ground
- Blend door feedback signal circuit shorted to voltage
- Body control module - Blend door feedback signal shorted to voltage