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Home >> Pontiac >> 2008 >> Grand Prix Base >> Repair and Diagnosis >> Brakes >> Anti-Lock Brake System, Traction Control System & Stability Control System >> Diagnostic Information and Procedures >> Traction Off Indicator Malfunction >> Component Testing

Component Testing

  1. Ignition OFF, disconnect the BCM harness connector at the TCS switch control circuit terminal C.
  2. Test for infinite resistance between the TCS switch signal circuit terminal C and ground with the TCS switch in the Released or open position.
    • If not the specified value, replace the TCS switch.
  3. Test for less than 5 ohms of resistance between the TCS switch control circuit terminal C and ground with the TCS switch in the Pressed or closed position.
    • If greater than the specified range, replace the TCS switch.