Conditions for Setting the DTC

2006 Buick Terraza CXL, 3.5 L, AWDSECTION Conditions for Setting the DTC
WARNING: This page is about a different car, the 2006 Buick LaCrosse and 2006 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.

A malfunction is detected if one or more of the following conditions exist:

  • The steering angle sensor detects an internal malfunction and sends a controller area network (CAN) message to the EBCM.
  • If the offset value is higher than 15 degrees, a malfunction is detected. Malfunction time depends on driving distance, vehicle speed and the amount of malfunctioning steering angle signal.
  • Rapid changes of the steering angle sensor signal cannot occur under normal driving conditions. If the signal change is higher than 2,000 degrees per second or steering angle acceleration is higher than 37,500 degrees per second squared, a malfunction is detected.
  • A reference steering angle signal based on a vehicle model is used to check the actual steering angle. If the measured steering angle varies from the reference steering angle by more than a predetermined value, a malfunction is detected.
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