The P0238 trouble code is associated with Turbocharger Boost Sensor A Circuit High, indicating that the boost pressure sensor is detecting a higher-than-expected signal.
P0238 Turbocharger Boost Sensor A Circuit High
Code symptoms P0238.
1. Illuminated “Check Engine” or “Service Engine Soon” light on the dashboard.
2. Reduced engine performance.
3. Possible noise from the turbocharger.
This code is common in brands such as:: Chevrolet, Renault, Ford, Toyota, Nissan, Mercedes Benz, Honda.
Causes of the code P0238.
1. Faulty boost pressure sensor.
2. Wiring or connector issues in the boost pressure sensor circuit.
3. Problems with the turbocharger.
4. Issues with the Engine Control Module (ECM).
Code Solutions P0238.
1. Inspect and, if necessary, replace the boost pressure sensor.
2. Check for any wiring or connector issues in the boost pressure sensor circuit and repair as needed.
3. Inspect the turbocharger for issues and repair as necessary.
4. If ECM issues are suspected, consult a qualified technician for diagnosis and potential reprogramming or replacement.