The liftgate can be locked and unlocked by pressing the door lock switch on the front driver or passenger doors or by pressing the REAR button on the key fob. Battery voltage is supplied to the liftgate actuator through the body control module (BCM). The BCM will pulse the liftgate actuator when an unlock input is received through the key fob, or the door lock switch. The liftgate may then be released by pressing the liftgate release touchpad located on the inner side of the liftgate handle.

Schematic Reference

Release Systems Schematics

Connector End View Reference

Vehicle Access Connector End Views

Description and Operation

Rear Hatch/Gate Description and Operation

Electrical Information Reference

Ignition ON, doors UNLOCKED, observe the Liftgate Open Switch parameter while pressing the Liftgate Release Touchpad. The reading should change between Active and Inactive

1. Ignition OFF, disconnect the harness connector at the Liftgate Release switch.
2. Ignition OFF, test for less than 1.0 ohm for resistance between the ground circuit terminal C and ground.

⇒	If greater than the specified range, test the ground circuit for an open/high resistance.

3. Ignition ON, verify the scan tool Liftgate Open Switch is Inactive.

⇒	If not the specified value, test the signal circuit terminal D for a short to ground. If the circuit tests normal, replace the BCM.

4. Install a 3-amp fused jumper wire between the signal circuit terminal D and ground. Verify the scan tool Liftgate Open Switch is Active.

⇒	If not the specified value, test the signal circuit for a short to voltage or an open/high resistance. If the circuit tests normal, replace the BCM.

5. If all circuits test normal, test or replace the liftgate release switch.

1. Ignition OFF, disconnect the harness connector at the liftgate release switch.
2. Test for infinite resistance between the signal terminal D and the ground circuit terminal C with the switch in the open position.

⇒	If not the specified value, replace the liftgate release switch.

3. Test for less than 2 ohms between the signal terminal D and the ground circuit terminal C with the switch in the closed position.

⇒	If greater than the specified range, replace the liftgate release switch.

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.