P0239
Turbocharger/Supercharger Boost Sensor B Circuit
P0239 is an OBD-II diagnostic trouble code meaning: Turbocharger/Supercharger Boost Sensor B Circuit. Common causes: boost sensor b malfunction, open or short circuit in wiring harness. Estimated repair cost: $56–167.
Symptoms
- Loss of engine power
- Unstable engine operation
- Increased fuel consumption
- Check Engine light comes on
Causes
- Boost sensor B malfunction
- Open or short circuit in wiring harness
- Poor contact in the sensor connector
- Turbocharger/supercharger problems
How to Fix
- Check the status of boost sensor B
- Check the integrity of the wiring harness and connectors
- Measure resistance and voltage at the sensor
- Replace sensor if necessary
- Clear error codes and test drive
Related codes
Error P0239 by Vehicle Brand
FAQ
What does the P0239 code mean?
P0239 is an OBD-II diagnostic trouble code that indicates: Turbocharger/Supercharger Boost Sensor B Circuit
What causes a P0239 error code?
The most common causes of P0239 include: Boost sensor B malfunction; Open or short circuit in wiring harness; Poor contact in the sensor connector; Turbocharger/supercharger problems.
How do I fix a P0239 diagnostic trouble code?
To fix P0239: Check the status of boost sensor B. Check the integrity of the wiring harness and connectors. Measure resistance and voltage at the sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0239?
Limited driving only, diagnose soon
How much does it cost to fix P0239?
The estimated repair cost for P0239 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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