P0238
Turbocharger/Supercharger Boost Sensor A Circuit High
Generic code
Injector Circuit
High severity
Hard repair
Free on OBD DashX
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What P0238 means
- The fault code P0238 indicates that there is a high voltage condition in the circuit that monitors the turbocharger boost pressure.
Possible symptoms
- Illuminated check engine light
- Reduced engine power or acceleration
- Poor fuel economy
- Engine may run rough or hesitate during acceleration
Possible causes
- Faulty turbocharger bypass valve
- Failed turbocharger boost sensor
- Shorted or open wiring in the boost sensor circuit
- Loose or corroded electrical connections in the boost sensor circuit
- Failed engine control module (ECM)
Related parts
- Turbocharger/Supercharger: Turbocharger compresses in more air into the engine, hence producing more power output. Problem leads to power loss
Possible solutions
- Replace the faulty turbocharger bypass valve
- Replace the failed turbocharger boost sensor
- Check and repair any damaged wiring or connections in the boost sensor circuit
- Tighten or clean any loose or corroded electrical connections in the boost sensor circuit
- Replace the engine control module (ECM) if necessary
Free on OBD DashX
P0238 on OBD DashX
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