P1557 Code: Easy Steps to Solve It
The P1557 trouble code is a diagnostic trouble code (DTC) that indicates an issue with the turbocharger or supercharger boost sensor circuit. This code is commonly encountered in vehicles equipped with turbocharged or supercharged engines, particularly in models from manufacturers like Volkswagen and Audi. The boost sensor plays a critical role in measuring the boost pressure generated by the turbocharger or supercharger, which is essential