GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Body Rear End Diagnostic System Check?

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Go to Step 2

Go to Diagnostic System Check - Body Rear End

2

  1. Install a scan tool.
  2. Turn ON the ignition, with the engine OFF.
  3. With a scan tool, command the rear compartment lid release solenoid ON and OFF.

Does the rear compartment lid release solenoid turn ON and OFF with each command?

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Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 3

3

  1. Turn OFF the ignition.
  2. Disconnect the rear compartment lid release solenoid.
  3. Turn ON the ignition, with the engine OFF.
  4. Probe the control circuit of the rear compartment lid release solenoid with a test lamp connected to a good ground.
  5. With a scan tool, command the rear compartment lid release solenoid ON and OFF.

Does the test lamp turn ON and OFF with each command?

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Go to Step 7

Go to Step 4

4

Does the test lamp remain illuminated with each command?

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Go to Step 6

Go to Step 5

5

Test the control circuit of the rear compartment lid release solenoid for a short to ground or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

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Go to Step 11

Go to Step 8

6

Test the control circuit of the rear compartment lid release solenoid for a short to voltage. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

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Go to Step 11

Go to Step 8

7

Inspect for poor connections at the rear compartment lid release solenoid. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.

Did you find and correct the condition?

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Go to Step 11

Go to Step 9

8

Inspect for poor connections at the harness connector of the Body Control Module (BCM). Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.

Did you find and correct the condition?

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Go to Step 11

Go to Step 10

9

Replace the rear compartment lid release solenoid.

Did you complete the replacement?

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Go to Step 11

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10

Important: Perform the set up procedure for the BCM. Refer to Body Control Module (BCM) Programming/RPO Configuration in Body Control System.

Replace the BCM. Refer to Body Control Module Replacement in Body Control System.

Did you complete the replacement?

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Go to Step 11

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11

Operate the system for which the symptom occurred.

Did you find and correct the condition?

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System OK

Go to Step 2