C009F: 4WD/AWD Rear Differential Unit Actuator B Position Sensor C
Standardized SAE J2012 code · C00xx codes
Safety-critical system. Faults in airbags, brakes, steering or high-voltage components can put people at risk. Follow the manufacturer's service information and safety procedures, or have the vehicle checked by a qualified workshop.
What does C009F mean?
Fault on rear differential actuator B position sensor C.
The code tells you which monitor failed, not which part is broken. Test before replacing parts.
Symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Common causes
- High Sensor failed
Likelihood is a general estimate across vehicles; your make and model may differ.
Add your car to see reports of C009F on the same make and model first.
C009F in the community
Ask about C009FNo one has posted about C009F yet
Share your vehicle, the tool you used and what you tested — the first thread helps everyone who searches for this code.
Describe your C009F problem