OBD-II code · Chassis
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.
Is it safe to drive with C003F?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelySensor swapped or wired backwards
Symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.5–3 h
- Emissions test
- Usually unaffected
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Wheel Speed Sensors
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.