P0033 - Turbocharger/Supercharger Bypass Valve Control Circuit

System Information

Some Turbocharged / Supercharged systems can use a bypass valve (commonly called a dump valve) to relieve turbo boost pressure. The bypass valve will normally be vacuum operated with a solenoid controlling the vacuum to the valve.

Fault Code Explained

This fault code indicates that there is an undefined fault in the control circuit, this could be a signal that is outside of it’s normal operating parameters or a value that is not consistent with the current operating conditions.

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