Traction Control System Test

1998 Pontiac Firebird V8-5.7L VIN GSECTION Traction Control System Test
This test runs the pump motor and appropriate solenoid valves to apply fluid pressure to the rear wheel circuits.

Perform the test as follows (this test does NOT require an assistant):
1. Ignition OFF.
2. Install the scan tool.
3. Turn ignition to RUN.
4. Raise vehicle so that wheels are about 6 inches off the floor with the transmission in neutral.
5. Select the scan tools Special Functions.
6. Select Traction Control System (TCS) Test.
7. Command the TCS Test on with the scan tool. The pump motor will turn on for approximately 25 seconds.
8. Attempt to move each rear wheel by hand, they should not move, due to the pump motor running and applying pressure to the rear wheels.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.