Schematic Reference: Release Systems Schematics.

Did you perform the diagnostic system check - vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle

Close the rear compartment lid.

Is the rear compartment lid ajar indicator illuminated/message displayed?

Go to Step 3

Go to Testing for Intermittent Conditions and Poor Connections

1. Install a scan tool.
2. Turn ON the ignition with the engine OFF, vehicle in PARK.
3. Close the rear compartment lid.
4. With a scan tool observe the rear compartment lid ajar switch signal input in the body control module (BCM) data list.

Does the scan tool indicate the rear compartment lid is open?

Go to Step 4

Go to Step 7

Disconnect the rear compartment lid release actuator.

Is the rear compartment lid ajar indicator illuminated/message displayed?

Go to Step 5

Go to Step 6

Inspect for a short to ground in the rear compartment lid ajar switch signal circuit. Refer to Circuit Testing and Wiring Repairs.

Did you find and correct the condition?

Go to Step 10

Go to Step 9

Inspect for poor connections at the harness connector of the rear compartment lid release actuator. Refer to Circuit Testing and Wiring Repairs .

Did you find and correct the condition?

Go to Step 10

Go to Step 8

Replace the instrument panel cluster (IPC) message centre. Refer to Control Module References, for replacement, setup and programming.

Did you complete the repair?

Go to Step 10

--

Replace the rear compartment lid release actuator. Refer to Rear Compartment Lid Lock Actuator Replacement.

Did you complete the repair?

Go to Step 10

--

Replace the BCM. Refer to Control Module References, for replacement, setup and programming.

Did you replace the repair?

Go to Step 10

--

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3