4WD/AWD Power Transfer Unit Position Sensor B
Fault on 4WD/AWD power transfer unit (PTU) position sensor B.
Affected components
- Ptu pos sensor b
Common causes
- High likelihood: Sensor failed
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
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.