P1581 Diagnostic Trouble Code (8 interpretations)

The control module detected an interruption (open circuit) in the B Camshaft Position Actuator Control circuit, so the expected electrical continuity was not present. This is the manufacturer-specific definition used by BMW.

The control module detected that the signal in the Cruise Control Module Move circuit stayed above the expected operating range. This is the manufacturer-specific definition used by Chevrolet.

The control module detected that the signal in the Cruise Move circuit stayed above the expected operating range. This is the manufacturer-specific definition used by Chrysler.

The control module detected improper operation of the Electronic Throttle Monitor. This is the manufacturer-specific definition used by Ford.

The control module detected a fault associated with the Motor power inverter module - current signal circuit problem 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 Throttle motor, bank 2, TPM/ISC circuit. This is the manufacturer-specific definition used by Mercedes-Benz.

The control module detected a fault associated with the Throttle control unit - basic setting circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Audi.

The control module detected a fault associated with the Throttle Actuator (J338): Basic Setting Not Performed circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Volkswagen. Volkswagen Group tools also report it as fault code 17989. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).