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 a scan tool and check for Diagnostic Trouble Codes (DTCs) in the Body Control Module (BCM).

Is DTC B3102, B3103, B3106, B3267 or B3268 set?

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Go to Diagnostic Trouble Code (DTC) List/Type in Body Control Systems

Go to Step 3

3

Activate the power door lock switch in one direction and then in the other direction.

Do the door locks activate?

--

Go to Step 4

Go to Step 13

4

  1. With a test light, connect between the rear compartment lid release relay terminal C2 and B+.
  2. Using a scan tool, activate the rear compartment lid lock release actuator.

Does the test light illuminate?

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Go to Step 5

Go to Step 10

5

With a test light ,backprobe between the rear compartment lid release relay terminals A1 to ground and C1 to ground?

Does the test light illuminate in each case?

--

Go to Step 6

Go to Step 15

6

  1. With a test light, backprobe between the rear compartment lid lock release relay connector terminal A2 and ground.
  2. Using a scan tool, activate the rear compartment lid latch release actuator.

Does the test light illuminate?

--

Go to Step 7

Go to Step 12

7

  1. With a test light, backprobe between the rear compartment lid lock release actuator connector terminal A and terminal B.
  2. Using a scan tool, activate the rear compartment lid latch release actuator.

Does the test light illuminate?

--

Go to Step 11

Go to Step 8

8

With a test light ,connect between the rear compartment lid latch release actuator terminal B and B+.

Does the test light illuminate?

--

Go to Step 9

Go to Step 14

9

Repair the open in circuit  56.

Is the repair complete?

--

Go to Rear Compartment Lid Release System Check

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10

  1. Replace the BCM. Refer to Body Control Module Replacement in Body Control Systems for service procedure.
  2. Perform the new BCM setup procedure. Refer to Body Control Module (BCM) Programming/RPO Configuration in Body Control Systems for service procedure.

Is the repair complete?

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Go to Rear Compartment Lid Release System Check

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11

Replace the rear compartment lid lock release actuator. Refer to Release Actuator Replacement for service procedure.

Is the repair complete?

--

Go to Rear Compartment Lid Release System Check

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12

Replace the rear compartment lid release relay.

Is the repair complete?

--

Go to Rear Compartment Lid Release System Check

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13

Repair an open or short to ground in circuit 1540.

Is the repair complete?

--

Go to Rear Compartment Lid Release System Check

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14

Repair the open in circuit  350.

Is the repair complete?

--

Go to Rear Compartment Lid Release System Check

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15

Repair the open in circuit 1540.

Is the repair complete?

--

Go to Rear Compartment Lid Release System Check

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