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Our automotive experts have put together the following information about the P2566 diagnostic trouble code. We've provided the common symptoms that occur when this code is set along with the frequent repairs that address the issues related to the P2566 code.

OBD II Fault Code

  • OBD II P2566

    OBD-II Code Powertrain Control Module (PCM) failure is defined as a Turbocharger Boost Control Position Sensor "A" Circuit Intermittent

    The engine computer (PCM) controls the boost from the turbocharge using a Turbocharger Vane Position Solenoid. The PCM confirms the solenoid is working as desired by using a Turbocharger Vane Position Sensor. If the Turbocharger Vane Position Sensor fails to correctly report back to the PCM, code P2566 will be stored.

    Powertrain Control Module (PCM) failure Symptoms

    • Lack of boost from the turbo/supercharger

    Common Problems That Trigger the P2566 Code

    • Powertrain Control Module (PCM) failure
    • Turbocharger vane position sensor failure
    • Wiring issue
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