# P0422 on the 2017 Mack Pinnacle

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 P0422

- [10204008](https://open.wenmarpro.com/bulletins/10204008), 2021-12-07: Mack Chassis \- Diagnostic Trouble Code \( DTC \) P0422 Lighting The Malfunction Indicator Light \( MIL \) \- US14\+OBD15 And US14\+OBD16 Emissions, Common Model Years 2016 And 2017
- [10130437](https://open.wenmarpro.com/bulletins/10130437), 2018-03-19: Diagnostic Trouble Code \( DTC \) P0422 Lighting The Malfunction Indicator Light \( MIL \) \- US17 \(GHG17\), Common Rail Fuel System ONLY, Updated programming and diagnostic instructions