Service bulletins for the 2021 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.
227 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with type: Emissions are shown. Show all
| M0039 032026 | 2026-04-02. Emissions. ENGINE. Emissions - EC0039 MST21 Failure to Detect P20EE - AN, CHU. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.