U3000 on the 2025 Mack Pioneer
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.
| CBR 2527-1 202511 | 2025-12-03. Service bulletin. CBR - Center Chassis Input Output Module(CCIOM) Fault Code U3000-94 - PR(4) |
|---|---|
| CBR 2491-1 082025 | 2025-09-02. Service bulletin. CBR - The purpose of this CBR is to provide instructions when fault code U300056: Electronic Control Unit, Invalid/Incompatible Configuration for the RCIOM is active. |
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.