C0071
ChassisStability Controlmoderate severityYaw Rate Sensor Circuit
What C0071 Means
Malfunction in the yaw rate sensor, which measures vehicle rotational speed around its vertical axis.
Symptoms
- Stability control light on
- ESC/VSC disabled
- Vehicle stability assist inoperative
- Traction control may also be disabled
Common Causes
- Faulty yaw rate sensor
- Sensor mounting loose
- Wiring harness damaged
- ABS/stability control module failure
Diagnostic Steps
- Read yaw rate sensor data with scan tool (should be near zero when stationary)
- Inspect sensor mounting and orientation
- Check wiring harness for damage
- Perform sensor calibration procedure
- Test sensor by slowly rotating vehicle
Where to start: Calibrate yaw rate sensor. Replace if calibration fails or sensor output is erratic.
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