P0238
Turbocharger/Supercharger Boost Sensor A Circuit High
P0238 is an OBD-II diagnostic trouble code meaning: Turbocharger/Supercharger Boost Sensor A Circuit High. Common causes: boost pressure sensor malfunction, open or short circuit in wiring harness. Estimated repair cost: $56–167.
Symptoms
- Loss of engine power
- Increased fuel consumption
- Rough engine operation
- Check Engine Light Illuminates
Causes
- Boost pressure sensor malfunction
- Open or short circuit in wiring harness
- Poor contact in the sensor connector
- ECU malfunction
- Turbocharger/supercharger mechanical problems
How to Fix
- Visually check the wiring harness and sensor connectors for damage.
- Check the voltage and resistance of the boost pressure sensor
- Check the operation of the turbocharger/supercharger
- If necessary, replace the sensor or repair the wiring harness
Related codes
Error P0238 by Vehicle Brand
FAQ
What does the P0238 code mean?
P0238 is an OBD-II diagnostic trouble code that indicates: Turbocharger/Supercharger Boost Sensor A Circuit High
What causes a P0238 error code?
The most common causes of P0238 include: Boost pressure sensor malfunction; Open or short circuit in wiring harness; Poor contact in the sensor connector; ECU malfunction.
How do I fix a P0238 diagnostic trouble code?
To fix P0238: Visually check the wiring harness and sensor connectors for damage.. Check the voltage and resistance of the boost pressure sensor. Check the operation of the turbocharger/supercharger. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0238?
Limited driving only, diagnose soon
How much does it cost to fix P0238?
The estimated repair cost for P0238 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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