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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