Over The Air Update
Acura technical service bulletin B21674 for 2021-2023 Acura TLX.
- Bulletin number
- B21674 (D.1.6.4)
- Component
- Electrical system
- Summary
- Over The Air Update - Vehicles equipped with the System Updates application are capable of downloading and installing Over the Air System Updates. System Updates contain upgrades that fix a variety of operational errors and/or enhancements that add new functionality. Information for the various software releases can be found in this document. Software version: D.1.6.4
Owners of these vehicles have filed 16 complaints in the electrical category.
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