P005F OBD-II: Turbocharger/Supercharger Boost Control "B" Supply Voltage

OBD II Fault Code

• OBD II P005F

OBD-II Code Powertrain Control Module (PCM) failure is defined as a Turbocharger/Supercharger Boost Control "B" Supply Voltage

The engine control module (PCM) uses a Boost Control Solenoid to control the turbocharger and provide the requested amount of boost. When the PCM detects an incorrect signal from the Boost Control Solenoid, it will set this code P005F.

Powertrain Control Module (PCM) failure Symptoms

• Engine may enter limp home mode (reduced performance)
• Lack of boost from the turbo/supercharger

Common Problems That Trigger the P005F Code

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