OBD Turbocharger/Supercharger Inlet Pressure Sensor B Circuit Range/Performance
What it means
P2375 stands for Turbocharger/Supercharger Inlet Pressure Sensor B Circuit Range/Performance. P2375 is a P code, so the fault sits in the engine, transmission and emissions systems. For P2375, the second digit places it in ignition and misfire. For P2375, work through the cause list below, cheapest checks first.
Where it lives
For P2375, the description names the sensor as the part involved.
What to check first
For P2375, clear the code, drive a short distance and read it again, since a code that comes back is still there and one that does not was history.
Check these first
- P2375: Failing ignition coil, spark plug, or spark plug wire
- P2375: Faulty crankshaft or camshaft position sensor
- P2375: Wiring or connector damage in the ignition circuit
- P2375: Low compression or engine mechanical wear
- P2375: Incorrect ignition timing or a stretched timing chain
What to do next
P2375 reports from the ignition and misfire system. These steps cover P2375 in general, and the exact cause on your vehicle can differ from the cause named above.
- P2375: Read misfire counts and freeze frame data with an OBD-II scanner
- P2375: Test spark output and inspect spark plugs and coils
- P2375: Check crankshaft and camshaft position sensor signals while cranking
- P2375: Swap suspect ignition parts between cylinders to see if the fault moves
- P2375: Compression test if the issue persists on the same cylinder
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Updated
Generic SAE J2012 definition. Last updated 2026-08-30.