P0240
Turbocharger/Supercharger Boost Sensor B Circuit Range/Performance
Generic code
Injector Circuit
High severity
Hard repair
Free on OBD DashX
Want real-world data on P0240?
See which problems come with P0240, how often it shows up in other vehicles, and how to fix it — step by step.
- Real-world fix data
- How often it happens
- Step-by-step repairs
What P0240 means
- The fault code P0240 indicates that there is an issue with the circuit that controls the Turbocharger Boost Sensor B. This may cause a reduction in engine power and acceleration.
Possible symptoms
- Reduced engine power and acceleration
- Illuminated check engine light
- Rough idling or stalling
- Reduced fuel efficiency
Possible causes
- Faulty Turbocharger Boost Sensor B
- Wiring issues or poor connections in the 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 Turbocharger Boost Sensor B
- Check and repair any damaged wiring or connections
- Clean or tighten any loose or corroded electrical connections
- Replace the Engine Control Module (ECM) if necessary
Free on OBD DashX
P0240 on OBD DashX
Real-world causes, how often this code shows up, and the fix — step by step.
Open P0240 No sign-up needed · available in 10 languagesScan your own car
Read and clear fault codes, live data and service resets with the CaRPM app.