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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 216 (Antilock Brake System With Traction Control System & Stability Control System) >> Diagnostic Information and Procedures >> DTC C0253 or C0254 >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.

The Vehicle Stability Enhancement System (VSES) uses inputs from the steering wheel position sensor (SWPS) and the yaw/lateral acceleration sensor to determine if the vehicles steering is centered. The steering centered self calibration occurs when the vehicle travels in a straight path for greater than 10 seconds.

Variation of the SWPS alignment in the steering column is calibrated out by recording a bias value. The bias value is calculated by using inputs from the SWPS and the Yaw/Lateral acceleration sensor.

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