C0241high severityChassis
Active Steering Motor Circuit
on 2018 Infiniti Q70L 5.6L V8 · RWD
What this code means
Malfunction in the active steering superposition motor that varies the steering ratio.
Symptoms
- Active steering disabled
- Fixed steering ratio
- Warning light on
- Steering ratio does not change with speed
Common causes
- Active steering motor failure
- Motor wiring damage
- Control module driver failure
- Motor position sensor fault
Diagnostic steps
- Test motor winding resistance
- Check motor connector
- Command motor movement with scan tool
- Monitor motor position feedback
- Inspect wiring for damage
Repair notes
Replace active steering motor assembly or steering gear if motor is integrated.
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