Chassis
generic / SAE
C003F
Wheel Speed Sensors Rotation Direction Correlation
Wheel speed sensors disagree on rotation direction — typically detected when reversing. Wheel-speed signals feed ABS, ESC, traction control, transmission and odometer — a single dropped signal disables all of these safety functions until repaired.
SystemChassis
Typegeneric / SAE
GroupC0
Range / number– / 3F
Possible causes
- Sensor swapped or wired backwards high
Symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 100–800 €
- Estimated time: 0.5–3 h
- Component: wheel speed sensors
- MIL / check engine light
- drive cycle required
- limp mode possible
Sources
References
sae:J2012