P1391 Diagnose-Fehlercode (5 Interpretationen)

The control module detected that the signal in the Glow Plug circuit stayed below the expected operating range. This is the manufacturer-specific definition used by Ford.

The control module judged the G - sensor - performance behaviour implausible for the current operating conditions. This is the manufacturer-specific definition used by Honda.

The control module detected a fault associated with the G Sensor Rough Road Rationality circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Suzuki.

The control module detected a short circuit to ground in the Camshaft position (CMP) sensor 2/ Bank 2 circuit. This is the manufacturer-specific definition used by Audi.

The control module detected a short circuit to ground in the Camshaft Position Sensor Bank 2 (G163) circuit. This is the manufacturer-specific definition used by Volkswagen. Volkswagen Group tools also report it as fault code 17799. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).