GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was the Rear Compartment Lid Release System Check performed?

--

Go to Step 2

Go to Rear Compartment Lid Release System Check

2

Was the BCM Diagnostic System Check performed?

--

Go to Step 3

Go to Diagnostic System Check - Body Control System

3

Disconnect the rear compartment lid lock release actuator connector.

Will the trunk lid latch?

--

Go to Step 4

Go to Step 5

4

  1. Disconnect the rear compartment lid release relay.
  2. Use a test light in order to probe between the relay terminal A2 and ground.

Does the test light illuminate?

--

Go to Step 6

Go to Step 7

5

  1. Check the lock assembly and the release actuator for mechanical interference. Refer to Rear Compartment Lid Lock Actuator Replacement for service procedure.
  2. Repair or replace as necessary.

Has the repair been made?

--

Go to Step 8

--

6

Repair a short to B+ in circuit 56.

Has the repair been made?

--

Go to Step 8

--

7

Replace the rear compartment lid release relay.

Has the repair been made?

--

Go to Step 8

--

8

  1. Turn the ignition switch to the LOCK position.
  2. Reconnect all the connectors/components that have been disconnected.

Have all repairs been made?

--

Go to Rear Compartment Lid Release System Check

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