P0242
Turbocharger/Supercharger Boost Sensor B Circuit High
Generic code
Injector Circuit
High severity
Hard repair
Free on OBD DashX
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What P0242 means
- The fault code P0242 indicates that the turbocharger boost sensor B circuit has a high voltage reading, which may cause the engine to run poorly or not start at all.
Possible symptoms
- Illuminated check engine light
- Reduced engine power or acceleration
- Engine runs poorly or not at all
- Rough idle or stalling
Possible causes
- Faulty turbocharger boost sensor
- Wiring or connection issues in the circuit
- Loose or corroded electrical connections
- 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 turbocharger boost sensor
- Inspect and repair any damaged wiring or connections
- Tighten or clean any loose or corroded electrical connections
- Replace the engine control module (ECM) if necessary
Free on OBD DashX
P0242 on OBD DashX
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