GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

Important: The Body Control Module (BCM) monitors the following three door jamb switch inputs:

   • Driver/Left Door
   • Passenger/Right Door
   • Side Sliding Door
A DTC will set if interior illumination is inoperative when a door is open.

1

Did you perform the Lighting Diagnostic System Check?

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Go to Step 2

Go to Diagnostic System Check - Lighting Systems

2

Check for any DTC's with Scan Tool.

Are there any DTC's present?

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Go to Diagnostic Trouble Code (DTC) List/Type

Go to Diagnostic System Check - Lighting Systems