GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was the entire DRL System Check performed?

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Go to Step 2

Go to Daytime Running Lights (DRL) System Check

2

  1. Turn the ignition OFF.
  2. Apply the park brake.
  3. Turn the ignition to RUN.

Is the park indicator light in the instrument cluster on?

--

Go to Step 3

Go to Instrument Cluster System Check

3

Replace the DRL module. Refer to Daytime Running Lights (DRL) Control Module Replacement

Is the repair complete?

--

Go to Daytime Running Lights (DRL) System Check

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