DTC P0238: Turbocharger/Supercharger Boost Sensor A Circuit High

P0238 - TURBOCHARGER/SUPERCHARGER BOOST SENSOR A CIRCUIT HIGH

Description: This DTC sets when there is an open circuit or high voltage in the TCBP circuit.
Possible Causes: Damaged turbocharger boost pressure (TCBP)/charge air cooler temperature (CACT) sensor TCBP circuit open or short to voltage
Diagnostic Aids: Check the harness for intermittent concerns, incorrect connections, routing, alterations and damage due to contact with other components. The TCBP/CACT sensor is a dual function pressure and temperature sensor located on the intake air tube between the charge air cooler (CAC) and the throttle body.
Application	Key On Engine Off	Key On Engine Running	Continuous Memory
All	GO to PINPOINT TEST DN .