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Home >> Cadillac >> 2012 >> Escalade EXT >> Repair and Diagnosis (Single Page) >> External Pages >> Different car >> Section 893 (Anti-Lock Brake System, Traction Control System & Stability Control System) >> Diagnostic Information and Procedures >> DTC C0186 >> Circuit/System Testing
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Circuit/System Testing

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the yaw rate/lateral accelerometer connector.
  2. Test the yaw rate/lateral sensor reference voltage circuit for a short to voltage, short to ground, an open or high resistance.
    • If the reference voltage circuit did not test normal, repair the circuit.
  3. Test the yaw/lateral sensor ground circuit for an open or high resistance.
    • If the reference ground circuit did not test normal, repair the circuit.
  4. Test the yaw/lateral sensor CAN HI and LO circuit for a short to voltage, short to ground, an open or high resistance.
    • If the yaw/later CAN HI and LO circuits did not test normal repair the circuit.
  5. Ignition ON, test the yaw/lateral sensor reference voltage circuit for 12 volts, and the ground circuit for an open or high resistance.
    • If the yaw/later 12-volt reference and ground circuits test normal replace the yaw/lateral sensor.
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