B1965

B1965-POWER LIFTGATE SENSOR SUPPLY CIRCUIT LOW





For a complete wiring diagram, refer to the Wiring Information Electrical Diagrams.

- When Monitored:
Whenever the Power Liftgate Module is awake.

- Set Condition:
The power liftgate module has detected the sensor supply circuit voltage is under 4.0 volts.





1. DTC PRESENT
1. With the scan tool, record the DTCs and any liftgate inhibitors.
2. Erase the DTCs.
3. Turn the ignition off, wait 10 seconds, then turn the ignition on.
4. Operate the liftgate several times.
5. With the scan tool, read the DTCs.

Does the scan tool display B1965-POWER LIFTGATE SENSOR SUPPLY CIRCUIT LOW?

Yes

- Go To 2

No

- Using the wiring diagram/schematic as a guide, inspect the wiring and connectors for an intermittent condition.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

2. POWER LIFTGATE DRIVE UNIT




1. Disconnect the Power Liftgate Drive Unit harness connector.
2. Erase the DTCs.
3. Turn the ignition off, wait 10 seconds, then turn the ignition on.
4. With the scan tool, read the DTCs.

Does the scan tool display B1965-POWER LIFTGATE SENSOR SUPPLY CIRCUIT LOW?

Yes

- Go To 3

No

- Replace the Power Liftgate Drive Unit.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

3. (Q203) POSITION SENSOR SUPPLY CIRCUIT SHORTED TO GROUND




1. Turn the ignition off.
2. Disconnect the Power Liftgate Module C1 harness connector.
3. Measure the resistance between ground and the (Q203 Position Sensor Supply circuit.

Is the resistance below 10,000 Ohms?

No

- Replace the Power Liftgate Module.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

Yes

- Repair the (Q203) Position Sensor Supply circuit for a short to ground.
- Perform the BODY VERIFICATION TEST. Body Verification Test.