# P0401 on the 2004 Dodge Ram

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 P0401

- [10007936](https://open.wenmarpro.com/bulletins/10007936), 2004-07-16: MALFUNCTION INDICATOR LAMP \(MIL\) ILLLUMINATION DIAGNOSTIC TROUBLE CODES P0401, P0403, P0404, P0405, P0406. \*MJ