What Does P0235 Code Mean?

OBD-II Code P0235 is defined as a Turbocharger/Supercharger Boost Sensor "A" Circuit

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 P0235.

P0235 Symptoms

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

Common Problems That Trigger the P0235 Code

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