P0240moderate severityPowertrain
Turbocharger/Supercharger Boost Sensor B Circuit Range/Performance
on 2014 Ram 2500 6.7L I6 Cummins Diesel · 4WD
What this code means
The boost sensor B signal is out of the expected range or performing poorly. This affects accurate boost pressure readings for the engine.
Symptoms
- Reduced power
- Poor acceleration
- Check engine light
Common causes
- Faulty boost pressure sensor
- Vacuum or boost leak
- Wiring fault
- Clogged sensor port
Diagnostic steps
- Read boost sensor live data
- Inspect intake for leaks
- Test sensor wiring and reference voltage
- Compare to known good reading
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P0002
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P0003
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P0004
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P0005
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P0006
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P0007
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P0008
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P0009
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P0010
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