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 high turnover