Service bulletins for the 2026 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.
91 on file from NHTSA, as of 2026-10-19.
About U1146 on the 2026 Mack Anthem: what the code means, and the bulletins and recalls about the same components.
By type
By component
By trouble code
By topic
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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| CBR 2545-1 202601 | 2026-02-03. Service bulletin. ELECTRICAL SYSTEM. CBR - U114688 VMCU Communication Fault - AN (4) - PR (4). |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.