Service bulletins for the 2021 Honda Clarity
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.
5 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
| A21100B | 2022-02-04. Service bulletin. AIR BAGS:SRS MALFUNCTION WARNING LAMP/LIGHT. ServiceNews Article - There are several possible causes for the SRS DTC U3000-49 (Internal Failure of the SRS Unit) to be stored. If you can duplicate the DTC, the troubleshooting will take you through the step-by-step process in isolating the faulty component. In most situations, the SRS Unit should be last on the list of components to replace. Here is a quick tip for troubleshooting a faulty seat weight sensor. |
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| A21100B | 2022-01-11. Service bulletin. AIR BAGS:SRS MALFUNCTION WARNING LAMP/LIGHT; SEATS. ServiceNews Article - There are several possible causes for the SRS DTC U3000-49 (Internal Failure of the SRS Unit) to be stored. If you can duplicate the DTC, the troubleshooting will take you through the step-by-step process in isolating the faulty component. In most situations, the SRS Unit should be last on the list of components to replace. Here is a quick tip for troubleshooting a faulty seat weight sensor. |
| A21-084 | 2021-12-22. Service bulletin. ENGINE AND ENGINE COOLING. Service Bulletin - The MIL comes on with DTC P1F86 FC Cell Voltage Too Low (Caution). |
| A21-084 | 2021-11-02. Service bulletin. ENGINE AND ENGINE COOLING. Service Bulletin - The MIL comes on with DTC P1F86 FC Cell Voltage Too Low (Caution). |
| ONLO9V07062021 | 2021-07-21. Service bulletin. VISIBILITY. Owner Notification Letter - On some 2018-21 Clarity Plug-In Hybrid models, the A/C condenser may leak refrigerant. American Honda is extending the warranty on the A/C condenser to 10 years from the original date of purchase with unlimited miles. This warranty extension provides coverage for the original owner and any subsequent owners. No action is required on your part unless you experience a problem. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.