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Daytime Running Lamps (DRL) Inoperative

WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
Daytime Running Lamps (DRL) Inoperative

Step Action Yes No
Schematic Reference:  Headlights/Daytime Running Lights (DRL) Schematics  
Connector End View Reference:  Master Electrical Component List  in Wiring Systems
1 Did you perform the Lighting System Diagnostic System Check? Go to Step 2  Go to Diagnostic System Check - Lighting Systems 
2
  1. Turn the ignition to the ON position.
  2. Turn the headlamp switch tot he ON position.
Do the headlamps illuminate?		 Go to Step 3  Go to Headlamps Inoperative - Low Beams 
3
  1. Turn the headlamp switch to the OFF position.
  2. Apply a bright light to the ambient light sensor.
Do the DRL lamps illuminate?		 Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems Go to Step 4 
4
  1. Install a scan tool.
  2. Select the BCM display DTCs function on the scan tool.
Does the scan tool display any DTCs?		 Go to Diagnostic Trouble Code (DTC) List  Go to Step 5 
5
IMPORTANT: Perform the set up procedure for the BCM. Refer to Body Control Module (BCM) Programming/RPO Configuration in Body Control System.
Replace the BCM. Refer to Body Control Module Replacement in Body Control System.Did you complete the replacement?		 Go to Step 6  -
6 Operate the system in order to verify the repair.
Did you correct the condition?		 System OK Go to Step 2 
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