C0022moderate severityChassis
RF Wheel Speed Sensor Range/Performance
on 1996 BMW M3 3.2L I6 S52 · RWD
What this code means
The right front wheel speed sensor output is outside expected range under current driving conditions.
Symptoms
- ABS warning light on
- Traction control disabled
- ABS false activation during normal braking
Common causes
- Sensor air gap incorrect
- Tone ring damaged or corroded
- Weak sensor magnet
- Excessive wheel bearing play
Diagnostic steps
- Compare all four wheel speed signals at constant speed
- Measure sensor air gap
- Inspect tone ring teeth
- Check wheel bearing end play
- Scope sensor waveform
Repair notes
Adjust air gap or replace sensor. Check tone ring and bearing.
Other Chassis codes on this vehicle
C0021
LF 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
C0040
Right Front Wheel Speed Sensor Circuit