Tag Archives: Turbocharger Boost Sensor

The Definition of Code P0239 A Malfunction on the Circuit of Turbocharger Boost Sensor B The Meaning of Code P0239 P0239 is a trouble code that will be triggered when your engine control module is detecting an input malfunction in the boost pressure sensor B. This code will appear when there is a difference in the pressure reading on the ECM compared to the reading on the MAP, especially when the engine is not running. The pressure level of the …