Service bulletins for the 2027 Mack Anthem
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
44 on file from NHTSA, as of 2026-10-19.
About U1146 on the 2027 Mack Anthem: what the code means, and the bulletins and recalls about the same components.
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By component
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Only bulletins with trouble code: U1146 are shown. Show all
| CBR 2545-3 072026 | 2026-08-03. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM. CBR - The purpose of this CBR is to provide guidance on fault code U114688. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.