OBD II Fault Code

  • OBD II P0045

OBD-II Code Powertrain Control Module (PCM) failure is defined as a Turbocharger/Supercharger Boost Control "A" Circuit/Open

The engine computer (PCM) uses a Vane Control Solenoid (also referred to as a boost control solenoid) to control the amount of boost from the Turbocharger. If the Vane Control Solenoid does not operate as commanded, code P0045 will set.

Powertrain Control Module (PCM) failure Symptoms

  • Lack of boost from the turbo/supercharger

Common Problems That Trigger the P0045 Code

  • Powertrain Control Module (PCM) failure
  • Turbocharger vane control solenoid failure
  • Wiring issue
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