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P1074 on the 2023 Mack Terrapro

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.

This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.

Bulletins for this model year that name P1074
CBR-2258 2024092024-10-03. Service bulletin. CBR: Diagnostic Trouble Code (DTC) P107471 - AMT-F
CBR-2258 2024072024-08-01. Service bulletin. CBR: Diagnostic Trouble Code (DTC) P107471 - AMT-F
CBR-2258 2024042024-05-01. Service bulletin. CBR: Diagnostic Trouble Code (DTC) P107471 -AMT-F
CBR-2258 2024022024-03-05. Service bulletin. CBR - Diagnostic Trouble Code (DTC) P107471 - AMT-F

4 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.