Service bulletins for the 2021 Nissan Altima
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.
109 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Heating and air conditioning are shown. Show all
| NTB21-034A | 2021-09-09. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; ELECTRICAL SYSTEM. AC INOPERATIVE WITH DTC B20C8-14 STORED IN THE IPDM E/R This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.