U1209 Code défaut de diagnostic (6 interprétations)

The control module detected that the value received for the Communication with automatic gearbox ECU fault over the network was incorrect. Documented for the Automated manual gearbox electric control ECU on Peugeot applications; the same PSA control units are also fitted to Citroën models.

The control module detected the fault condition "Data invalid" for the Fault. Documented for the Bosch ESP 8.1 stability control ECU on Peugeot applications; the same PSA control units are also fitted to Citroën models.

The control module detected the fault condition "Communication fault with the gearbox ECU" for the CAN network. 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 an internal control-unit fault (One of the parameters present in a datastream sent by the Gearbox is invalid). 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 an internal control-unit fault (One of the parameters present in a frame emitted by the gearbox ECU is invalid). 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.

The control module detected that the value received for the Dialogue with the automatic gearbox over the network was incorrect. Documented for the Magneti Marelli MM6KP engine ECU (EW7A/EW10A) on Peugeot applications; the same PSA control units are also fitted to Citroën models.