P1681 Code défaut de diagnostic (4 interprétations)

The control module detected a fault associated with the Vehicle speed sensor (VSS) signal circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by BMW.

The control module detected that related sensor signals for Engine control module (ECM), crash did not agree with each other (correlation/plausibility fault). This is the manufacturer-specific definition used by Mercedes-Benz.

The control module detected a fault associated with the Engine control module (ECM) - programming incomplete 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 Control Module Programming Not Finished 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 18089. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).