DTC P1238: High voltage turbocharger boost control solenoid valve voltage Possible reasons for the error code p1238 Most often turbine contaminated with soot Break in the control line of the boost valve Damaged turbo-cylinder valve or turbocharger boost control solenoid valve Leakage in the vacuum of the turbocharger supercharger solenoid Effects: power drop, problems with … Czytaj dalej DTC P1238: High voltage turbocharger boost control solenoid valve voltage