GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Diagnostic System Check?

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Go to Step 2

Go to Diagnostic System Check - Remote Keyless Entry

2

Unlock the doors using the keyless entry transmitter.

Do the courtesy lamps illuminate and remain on for approximately 40 seconds?

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

Go to Step 3

3

Open the driver door.

Do the courtesy lamps illuminate?

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Go to Step 4

Go to Courtesy Lamps Inoperative

4

Important: Perform the set up procedure for the body control module.

Replace the body control module (BCM). Refer to Body Control Module Replacement in Body Control System.

Did you complete the replacement?

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Go to Step 5

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5

Operate the system in order to verify the repair.

Did you correct the condition?

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System OK

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