# P0405 on the 2012 Jeep Grand Cherokee

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

Nobody has written a description of this code yet.

## Bulletins for this model year that name P0405

- [10148595](https://open.wenmarpro.com/bulletins/10148595), 2018-11-19: Flash: DTC P0405 / P0406 \- MIL Light On This bulletin involves reprogramming the Engine Control Module \(ECM\) with new software. A small number of customers may report the MIL light is on. On further inspection Diagnostic Trouble Code \(DTC\), P0405 \- EGR POSITION SENSOR CIRCUIT LOW and/or P0406 \- EGR POSITION SENSOR CIRCUIT HIGH may be found.