P138F
Turbocharger Boost Control Position Sensor 'B' Minimum/Maximum Stop Performance
P138F is an OBD-II diagnostic trouble code meaning: Turbocharger Boost Control Position Sensor 'B' Minimum/Maximum Stop Performance. Common causes: turbocharger position sensor malfunction, problems with wiring to the sensor. Estimated repair cost: $33–167.
Symptoms
- Reduced engine power
- Increased fuel consumption
- Rough engine operation
- Enabling engine emergency mode
- Check engine light comes on
Causes
- Turbocharger position sensor malfunction
- Problems with wiring to the sensor
- Mechanical damage to the turbocharger
- Contamination or jamming of the turbocharger control mechanism
- Engine control unit malfunction
How to Fix
- Check the condition of the turbocharger position sensor
- Inspect the sensor wiring and connectors
- Check the turbocharger control mechanism for freedom of movement.
- Test the sensor using diagnostic equipment
- Replace the faulty sensor or repair the control mechanism
Related codes
FAQ
What does the P138F code mean?
P138F is an OBD-II diagnostic trouble code that indicates: Turbocharger Boost Control Position Sensor 'B' Minimum/Maximum Stop Performance
What causes a P138F error code?
The most common causes of P138F include: Turbocharger position sensor malfunction; Problems with wiring to the sensor; Mechanical damage to the turbocharger; Contamination or jamming of the turbocharger control mechanism.
How do I fix a P138F diagnostic trouble code?
To fix P138F: Check the condition of the turbocharger position sensor. Inspect the sensor wiring and connectors. Check the turbocharger control mechanism for freedom of movement.. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P138F?
Limited driving only, diagnose soon
How much does it cost to fix P138F?
The estimated repair cost for P138F is $33–167. Actual cost depends on your vehicle, location, and labor rates.
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