Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2013EXPRESS 2500 V8-4.8LREPAIR AND DIAGNOSISBRAKES AND TRACTION CONTROLANTILOCK BRAKES / TRACTION CONTROL SYSTEMSACCELERATION/DECELERATION SENSORSERVICE AND REPAIR
2013 Chevrolet Express 2500 V8-4.8L
Acceleration/Deceleration Sensor: Service and Repair
2013 Chevrolet Express 2500 V8-4.8LSECTION Service and Repair
Vehicle Yaw Sensor with Vehicle Lateral Accelerometer Replacement
Removal Procedure
1. Remove the passenger seat from the vehicle. Refer to Driver or Passenger Seat Removal and Installation Driver or Passenger Seat Removal and Installation.
2. Pull the carpet back to gain access to the sensor.
3. Remove the nuts (2) from the yaw rate sensor and lateral accelerometer.
4. Disconnect the electrical connector (3) from the yaw rate sensor/lateral accelerometer.
5. Remove the yaw rate sensor and lateral accelerometer (1) from the vehicle.
Installation Procedure
1. Install the yaw rate sensor and lateral accelerometer (1) to the vehicle.
Caution:
Refer to Fastener Caution Fastener Caution.
2. Install the yaw rate sensor and lateral accelerometer nuts (2) and tighten to 9 Nm (80 lb in).
3. Install a scan tool.
4. Using the special functions menu on the scan tool, reset the yaw rate sensor.
5. Perform the Diagnostic System Check. Refer to Diagnostic System Check - Vehicle Diagnostic System Check - Vehicle.
6. Connect the electrical connector (3) to the yaw rate sensor and lateral accelerometer.
7. Install the carpet.
8. Install the passenger seat to the vehicle. Refer to Driver or Passenger Seat Removal and Installation Driver or Passenger Seat Removal and Installation.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.