# P0203 on the 1990 Mack FDM

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 P0203

- [10213605](https://open.wenmarpro.com/bulletins/10213605), 2022-06-07: Mack Chassis \- Diagnostic Trouble Codes \( DTC's \) \- P020113, P020213, P020313, P020413, P020513, P020613, Cylinders 1 Through 6 Injector A Open Circuit