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Test Description

WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.

The number below refers to the step number on the diagnostic table.

  1. 2:  This step determines if the fault is present.
DTC P0573

Step Action Yes No
Schematic Reference: Exterior 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. Connect a scan tool.
  2. Turn ON the ignition, with the engine OFF.
  3. Monitor the stop lamp signal parameter in the cruise control data list while depressing the brake pedal.
Does the stop lamp signal parameter indicate OFF?		 Go to Step 3  Go to Diagnostic Aids
3 Test for a short to voltage in the brake pedal position sensor signal circuit. Refer to Circuit Testing and Wiring Repairs .
Did you find and correct the condition?		 Go to Step 5  Go to Step 4 
4 Replace the body control module (BCM). Refer to Control Module References for replacement, setup and programming.
Did you complete the replacement?		 Go to Step 5  -
5
  1. Use a scan tool in order to clear the DTCs.
  2. Operate the vehicle within the Conditions for Running the DTC. as specified in the supporting text.
Does the DTC reset?		 Go to Step 2  System OK
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