C0186 GMC - Lateral Accelerometer Circuit

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

  • Faulty Yaw Sensor/Lateral Accelerometer Sensor
  • Yaw Sensor/Lateral Accelerometer Sensor harness is open or shorted
  • Yaw Sensor/Lateral Accelerometer Sensor circuit poor electrical connection

Tech notes

DTC C0186 00 Lateral Accelerometer Circuit
DTC C0186 5A Lateral Accelerometer Circuit Plausibility Failure
DTC C0186 3B Lateral Accelerometer Internal Self Test Failure
DTC C0186 1A Lateral Accelerometer Bias Level Out of Range

Possible symptoms

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

C0186 Gmc Description

The lateral accelerometer and the yaw rate sensors are combined into one sensor external to the Electronic Brake Control Module (EBCM). The vehicle stability enhancement system (VSES) uses the lateral accelerometer input when calculating the desired yaw rate. The yaw rate/lat sensor communicates with the EBCM via discrete CAN Bus High and CAN Bus Low serial data circuits.
OBDII Code C0186 Gmc - Lateral Accelerometer Circuit - AutoCodes.com

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C0186 GMC Comments

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