GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

DEFINITION: The sunshade illuminated mirror lamps stay on when the mirror cover is closed. However, the inadvertent load (battery rundown) protection turns off the sunshade illuminated mirror lamps after 10 minutes.

1

Was the Interior Lights System Check performed?

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Go to Step 2

Go to Interior Lamps System Check

2

Was the BCM Diagnostic System Check performed?

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Go to Step 3

Go to Diagnostic System Check - Body Control System in Body Control System

3

Replace the sunshade. Refer to Sunshade Replacement in Interior Trim.

Is the repair complete?

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Go to Step 4

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4

  1. Turn the ignition switch to the OFF position.
  2. Reinstall the connectors and components removed.
  3. Turn the ignition switch to the RUN position for 6 seconds.
  4. Turn the ignition switch to the OFF position.
  5. Remove the MALL PGM fuse.
  6. Turn the ignition switch to the ACC position. The BCM sounds the chime a number of times equivalent to the BCM type installed on the vehicle.
  7. Within one second, turn the ignition switch from the ACC position, to the OFF position, then back to the ACC position. The BCM sounds any DTCs stored.

Are there any BCM DTCs present?

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Go to Diagnostic System Check - Body Control System in Body Control System

Go to Interior Lamps System Check