GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

Schematic Reference: Interior Lights Schematics

Connector End View Reference: Master Electrical Component List

1

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle

2

  1. Turn OFF the ignition.
  2. Lock all of the vehicles doors.
  3. Close all of the vehicles doors.
  4. Wait 20 seconds.
  5. Press the unlock button on the remote keyless entry transmitter.

Do the courtesy reading lamps illuminate?

Go to Step 3

Go to Courtesy Lamps Inoperative and Reading Lamp Inoperative

3

If equipped, does the dome lamp operate?

Go to Step 4

Go to Dome Lamps Inoperative

4

Does the drivers door unlock?

Go to Step 5

Go to Symptoms - Vehicle Access

5

Replace the body control module (BCM). Refer to Control Module References for replacement, setup, and programming.

Did you complete the replacement?

Go to Step 6

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6

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2