P1676 Diagnostic Trouble Code (7 interpretations)

The control module did not receive the expected response for Engine off timer within the allowed time. This is the manufacturer-specific definition used by BMW.

The control module detected a fault associated with the VIN not programmed or mismatch - ECM circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Mitsubishi.

The control module detected that the value received for the Controlled alternator fault over the network was incorrect. Documented for the Bosch MED 17.4.x engine ECU (EP6 THP family) on Peugeot applications; the same PSA control units are also fitted to Citroën models.

The control module detected the fault condition "Value received over the BSI1 network incorrect" for the Controlled alternator fault. Documented for the Bosch MEV17.4 engine ECU (EP6 1.6 VTi) on Peugeot applications; the same PSA control units are also fitted to Citroën models.

The stored code identifies a fault of the Communication with the piloted alternator. Documented for the Magneti Marelli MM6KP engine ECU (EW7A/EW10A) on Peugeot applications; the same PSA control units are also fitted to Citroën models. PSA documentation does not characterise the failure mode further.

The control module detected improper operation of the ETS warning lamp circuit. This is the manufacturer-specific definition used by Audi.

The control module detected an electrical fault in the EPC Warning Lamp (K132) circuit. This is the manufacturer-specific definition used by Volkswagen. Volkswagen Group tools also report it as fault code 18084. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).