C0074moderate severityChassis
Lateral Acceleration Sensor Bias/Offset
on 2004 GMC Yukon 5.3L V8 Vortec · RWD
What this code means
The lateral acceleration sensor zero-point calibration has drifted beyond acceptable limits.
Symptoms
- Stability control activates on flat road
- ESC warning light on
- Inappropriate stability intervention
Common causes
- Sensor drift over time
- Sensor not mounted level
- Vehicle parked on slope during calibration
- Aftermarket lift kit changing sensor plane
Diagnostic steps
- Check sensor output on level surface
- Perform sensor zero-point calibration on level ground
- Verify sensor mounting angle
- Check for aftermarket ride height modifications
Repair notes
Recalibrate sensor on level ground. Replace if bias persists.
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