Code result
P2374
Turbocharger Inlet Pressure Sensor B Circuit
Moderate severity
What it means
The pressure sensor at the inlet of the second turbocharger (B) - on twin-turbo or sequential-turbo systems - is reporting a circuit fault. The ECU cannot determine inlet pressure and falls back to a substitute value, which limits boost control accuracy on this stage.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Open in sensor signal, supply or ground
highOne of the most commonly reported causes for this code — check this first.
Connector corroded by underhood moisture
mediumA plausible cause — test and verify before replacing parts.
Related help
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