U1401 Code défaut de diagnostic (3 interprétations)

The control module detected a fault associated with the MOST Critical Unlock Detected circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Hyundai.

The control module detected the fault condition "Registering of a fault on the slave node of the Alternator LINnetwork" for the Alternator LIN network. Documented for the Continental SID 807 injection ECU (DV6C 1.6 HDi) on Peugeot applications; the same PSA control units are also fitted to Citroën models.

The control module detected the fault condition "Recording the a fault on a slave node of the LIN network" for the Alternator LIN network. Documented for the Delphi DCM 3.5 injection ECU (DW10C 2.0 HDi) on Peugeot applications; the same PSA control units are also fitted to Citroën models.