C0071moderate severityChassis
Yaw Rate Sensor Circuit
on 2007 Chevrolet Impala 3.5L V6 · FWD
What this code 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
Repair notes
Calibrate yaw rate sensor. Replace if calibration fails or sensor output is erratic.
Other Chassis codes on this vehicle
C0021
LF Wheel Speed Sensor Range/Performance
C0022
RF Wheel Speed Sensor Range/Performance
C0023
LR Wheel Speed Sensor Range/Performance
C0024
RR Wheel Speed Sensor Range/Performance
C0025
LF Wheel Speed Sensor Circuit Intermittent
C0026
RF Wheel Speed Sensor Circuit Intermittent
C0027
LR Wheel Speed Sensor Circuit Intermittent
C0028
RR Wheel Speed Sensor Circuit Intermittent
C0035
Left Front Wheel Speed Sensor Circuit
C0036
Left Front Wheel Speed Signal Erratic