C0245moderate severityChassis
Active Steering Position Sensor Circuit
on 2006 Lexus LS 430 4.3L V8 · RWD
What this code means
The position feedback sensor for the active steering superposition motor has malfunctioned.
Symptoms
- Active steering warning
- System defaults to center position
- Steering ratio locked
- May affect park assist
Common causes
- Position sensor failure
- Sensor wiring damage
- Sensor contamination
- Motor assembly mechanical failure
Diagnostic steps
- Read position sensor data with scan tool
- Command small motor movements and check sensor response
- Inspect sensor wiring
- Check for mechanical binding in steering gear
- Test sensor voltage range
Repair notes
Replace active steering motor/sensor assembly.
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