C0209 GMC - Yaw Rate Sensor Signals Voltage

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • Faulty Yaw Rate Sensor
  • Yaw Rate Sensor harness is open or shorted
  • Yaw Rate Sensor circuit poor electrical connection

Possible symptoms

  • Anti-Lock Brake System (ABS) Warning Light ON
  • Engine Light ON (or Service Engine Soon Warning Light)

C0209 Gmc Description

The Vehicle Stability Enhancement System (VSES) is activated when the Electronic Brake Control Module (EBCM) determines that the desired yaw rate does not match the actual yaw rate. The desired yaw rate is calculated from the measured steering wheel position, vehicle speed, and lateral acceleration. With no sensor bias present, a volt signal from these sensors is interpreted by the EBCM respectively as follows:

- Zero yaw rate.

- Zero lateral acceleration.

- Zero longitudinal acceleration.

The sensor bias compensates, during VSES initialization, for sensor mounting alignment errors, electronic signal errors, temperature changes, and manufacturing differences.

OBDII Code C0209 Gmc - Yaw Rate Sensor Signals Voltage - AutoCodes.com

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