4WD/AWD Rear Differential Unit Actuator B Position Sensor Correlation
Position sensors on rear differential actuator B disagree.
Affected components
- Rear diff actuator b pos a
- Rear diff actuator b pos b
- Rear diff actuator b pos c
Common causes
- High likelihood: One sensor drifted
Possible symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Diagnostic notes
- The malfunction indicator lamp may illuminate
- A drive cycle may be required after repair
- Reduced-power or limp mode may occur
Related codes
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.