C0075moderate severityChassis
Longitudinal Acceleration Sensor Circuit
on 2006-2010 Kia Optima 2.7L V6 · FWD
What this code means
Malfunction in the longitudinal acceleration sensor, which measures forward and rearward G-forces.
Symptoms
- Stability control warning
- ESC braking intervention incorrect
- Hill-start assist may malfunction
- Traction control affected
Common causes
- Faulty longitudinal G sensor
- Wiring damage
- Connector corrosion
- Sensor mounting loose
Diagnostic steps
- Read sensor data at standstill on level ground
- Inspect wiring and connector
- Check sensor mounting
- Perform calibration procedure
- Compare readings during acceleration and braking
Repair notes
Calibrate sensor. Replace if output is out of specification.
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