P138E
Turbocharger Boost Control Position Sensor 'A' Minimum/Maximum Stop Performance
P138E is an OBD-II diagnostic trouble code meaning: Turbocharger Boost Control Position Sensor 'A' Minimum/Maximum Stop Performance. Common causes: turbo position sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $33–167.
Symptoms
- Reduced engine power
- Unstable engine operation
- Increased fuel consumption
- Check Engine Light Illuminates
- Dips during acceleration
Causes
- Turbo position sensor malfunction
- Open or short circuit in the sensor circuit
- Wiring Harness Problems
- Mechanical damage to the turbocharger
- Dirty or stuck boost control mechanism
How to Fix
- Check the integrity of the sensor circuit
- Test the position sensor with a multimeter
- Inspect the turbocharger control mechanism for damage
- Clean or replace position sensor
- If necessary, replace the turbocharger
Related codes
FAQ
What does the P138E code mean?
P138E is an OBD-II diagnostic trouble code that indicates: Turbocharger Boost Control Position Sensor 'A' Minimum/Maximum Stop Performance
What causes a P138E error code?
The most common causes of P138E include: Turbo position sensor malfunction; Open or short circuit in the sensor circuit; Wiring Harness Problems; Mechanical damage to the turbocharger.
How do I fix a P138E diagnostic trouble code?
To fix P138E: Check the integrity of the sensor circuit. Test the position sensor with a multimeter. Inspect the turbocharger control mechanism for damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P138E?
Limited driving only, diagnose soon
How much does it cost to fix P138E?
The estimated repair cost for P138E is $33–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat