P0238 - OBD II Trouble Code

Our automotive experts have put together the following information about the P0238 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 P0238 code.

What Does P0238 Code Mean?

OBD-II Code P0238 is defined as a Turbocharger/Supercharger Boost Sensor "A" Circuit High

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 P0238.

P0238 Symptoms

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

Common Problems That Trigger the P0238 Code

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