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Home >> Pontiac >> 2007 >> Grand Prix Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 133 (Anti-Lock Brake System, Traction Control System & Stability Control System) >> Diagnostic Information and Procedures >> Traction Off Indicator Malfunction >> Component Testing

Component Testing

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
  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 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.
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