B1965

B1965-POWER LIFTGATE SENSOR SUPPLY CIRCUIT LOW





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

- 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. DIAGNOSTIC TROUBLE CODE (DTC) PRESENT
1. Using the scan tool, record DTCs and any liftgate inhibitors.
2. Erase DTCs.
3. Turn the ignition off, wait 10 seconds, then turn the ignition on.
4. Operate the liftgate several times.
5. Using the scan tool, read 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 DTCs.
3. Turn the ignition off, wait 10 seconds, then turn the ignition on.
4. Using the scan tool, read 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 SHORT 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 10000.0 Ohms?

Yes

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

No

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