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Home >> Pontiac >> 2004 >> GTO Standard >> Repair and Diagnosis >> Brakes >> Antilock Brake System And Traction Control System >> Diagnostic Information and Procedures >> Traction Control Indicator Always On >> Test Description
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Test Description

The numbers below refer to step numbers on the diagnostic table.

  1. 2:  This step tests the operation of the Trac Off indicator lamp circuit.
Traction Control Indicator Always On

Step Action Value(s) Yes No
Schematic Reference:  ABS Schematics  
Connector End View Reference:  ABS Connector End Views  
1 Did you perform A Diagnostic System Check - ABS? - Go to Step 2  Go to Diagnostic System Check - ABS 
  1. Using a scan tool in the instrument Panel Cluster Special Function.
  2. Go to Instrument Panel in Output Control.
  3. Command the TCS OFF indicator ON and OFF.
Does the TCS OFF indicator turn ON and OFF when commanded?
- Go to Step 3  Go to Step 4 
3 Replace the electronic brake control module (EBCM). Refer to Electronic Brake Control Module Replacement .
Did you complete the replacement?
- Go to Step 5  -
4 Replace the instrument panel cluster (IPC). Refer to Instrument Panel Cluster (IPC) Replacement in Instrument Panel, Gages and Console.
Did you complete the replacement?
- Go to Step 5  -
5
  1. Use the 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