P1648 Code défaut de diagnostic (6 interprétations)

The control module detected a fault associated with the Anti - Theft Device Wrong Security Code circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Chevrolet.

The control module detected a fault associated with the Motor control module (MCM) - communication 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 Glow plug control module/supply circuit. This is the manufacturer-specific definition used by Jeep.

The stored code identifies a fault of the ECU downloading or Reset fault. 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. PSA documentation does not characterise the failure mode further.

The stored code identifies a fault of the ECU downloading or Reset 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. PSA documentation does not characterise the failure mode further.

The control module's internal test reported the CAN data bus as faulty. This is the manufacturer-specific definition used by Audi.