OBD-II code · Chassis
C066C Right Rear Wheel Speed Sensor B Incorrect Component Installed
Right Rear Wheel Speed Sensor B Incorrect Component Installed: the installed component does not match the type the vehicle expects. Wheel-speed signals feed ABS, ESC, traction control and the speedometer.
Is it safe to drive with C066C?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyWrong replacement part
Symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Repair at a glance
- Difficulty
- Easy
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.3–1.5 h
- Emissions test
- Usually unaffected
- Parts involved
- Rr Wss B
Related codes
- C0558Right Rear Wheel Speed Sensor A Incorrect Component Installed
- C0669Right Rear Wheel Speed Sensor B Circuit High
- C066ARight Rear Wheel Speed Sensor B Intermittent/Erratic
- C066BRight Rear Wheel Speed Sensor B Correlation
- C066DService/Park Brake Chamber Pressure Sensor
- C066EService/Park Brake Chamber Pressure Too High
- C066FService/Park Brake Chamber Pressure Too Low
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.