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?

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Go to Step 2

Go to Rear Compartment Lid Release System Check

2

Install scan tool and check for Diagnostic Trouble Code (DTC) in the Body Control Module (BCM).

Is DTC B3268 set?

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Go to Step 3

Go to DTC B3268 Decklid Output Relay Short to BATT in Body Control Systems

3

  1. Disconnect the rear compartment lid latch release actuator connector.
  2. Manual close the trunk lid

Will the trunk lid latch?

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Go to Step 4

Go to Step 5

4

  1. Disconnect the rear compartment lid release relay.
  2. With a test light, backprobe between the relay terminal A2 and ground.

Does the test light illuminate?

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Go to Step 6

Go to Step 7

5

  1. Check the mechanical operation of the rear compartment.
  2. Look for bindings, lid gap adjustments and latch operation, etc.
  3. If lid mechanical condition is OK, replace rear compartment lid lock release actuator. Refer to Release Actuator Replacement for service procedure.

Is the repair complete?

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Go to Step 8

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6

Repair a short to B+ in circuit 56.

Is the repair complete?

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Go to Step 8

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7

Replace the rear compartment lid release relay.

Is the repair complete?

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Go to Step 8

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8

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

Are all repairs complete?

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Go to Rear Compartment Lid Release System Check

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