P1549 Código de avaria de diagnóstico (4 interpretações)

The control module detected a fault associated with the Generator system - high voltage circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Honda.

The control module detected improper operation of the Intake manifold air control solenoid - control circuit. This is the manufacturer-specific definition used by Mazda.

The control module detected an interruption (open circuit) in the Turbocharger (TC) wastegate regulating valve circuit, so the expected electrical continuity was not present. This is the manufacturer-specific definition used by Audi.

The control module detected an interruption (open circuit) in the Boost Pressure Controle Valve (N75) circuit, so the expected electrical continuity was not present. This is the manufacturer-specific definition used by Volkswagen. Volkswagen Group tools also report it as fault code 17957. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).