P0201 on the 2016 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.
| KC-714 | 2022-06-07. Service bulletin. Mack Chassis - Diagnostic Trouble Codes ( DTC's ) - P020113, P020213, P020313, P020413, P020513, P020613, Cylinders 1 Through 6 Injector A Open Circuit |
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| KC-779 | 2021-12-07. Service bulletin. Diagnostic Trouble Code (DTC) P0201 To P0206 FMI 13 - OBD2015 HDE 11 ( Model Year 2016 Truck ) |
2 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.