# P04DB on the 2015 Mack LR

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 P04DB

- [10208546](https://open.wenmarpro.com/bulletins/10208546), 2022-03-03: Diagnostic Trouble Code \(DTC\) P04DB \- Crankcase Ventilation Disconnected; US10\+OBD13 To US14\+OBD16 Emissions
- [10169000](https://open.wenmarpro.com/bulletins/10169000), 2019-12-09: Diagnostic Trouble Code \(DTC\) P04DB \- Crankcase Ventilation Disconnected; US10\+OBD13 To US14\+OBD16 Emissions \(Non\-Common Rail Fuel System\), Common Model Years 2014 To 2017