What does code P0240 mean?
Boost sensor B signal is outside expected range
OBD-II Code
P0240 — Turbocharger Boost Sensor B Circuit Range or Performance
Boost sensor B signal is outside expected range
Common symptoms
- Severe power fluctuation
- limp mode activation
Possible causes
- Aged sensor
- boost leaks
- faulty solenoid
Initial recommendation
Inspect boost sensor B, leaks, solenoid and wastegate.
Safety notice
This information is for guidance only and does not replace a physical vehicle inspection or diagnosis by a qualified mechanic. If the vehicle has severe power loss, smoke, a fuel odor, overheating, brake or steering problems, or any unsafe behavior, avoid driving it and seek professional inspection.
Analyze this code with MecaOBD
Use the app to combine code P0240 with your vehicle's actual symptoms for more complete diagnostic guidance.
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