C0215moderate severityChassis
EPS Torque Sensor Calibration Error
on 2004 GMC Yukon 5.3L V8 Vortec · RWD
What this code means
The EPS torque sensor zero-point or gain calibration is outside acceptable parameters.
Symptoms
- EPS warning after service
- Steering pulls to one side with EPS active
- Unequal assist left vs right
- EPS warning light
Common causes
- Torque sensor not calibrated after steering service
- Steering alignment offset affecting sensor
- Sensor mechanical shift
- Module replacement without calibration
Diagnostic steps
- Perform torque sensor zero-point calibration
- Verify steering alignment
- Check sensor mounting
- Compare left and right torque readings
- Verify calibration procedure completed
Repair notes
Perform torque sensor calibration procedure. Ensure wheel alignment is correct first.
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