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What Does P0237 Code Mean?

    OBD-II Code P0237 is defined as a Turbocharger/Supercharger Boost Sensor "A" Circuit Low

    The Boost Pressure Sensor tells the engine control module (PCM) how much boost is actually being created by the turbocharger. When PCM detects an incorrect signal from the Boost Pressure Sensor, the PCM will set code P0237.

    P0237 Symptoms

    • Decreased engine performance
    • Increased fuel consumption
    • Lack of boost from the turbo/supercharger

    Common Problems That Trigger the P0237 Code

    • Brake booster pressure sensor failure
    • Exhaust leak
    • Powertrain Control Module (PCM) failure
    • Turbo/supercharger failure
    • Wiring issue
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