The source specifies: "Stout utilizes a variety of source materials for analysis, including NHTSA recall data, 573 letters, quarterly completion reports, and Technical Service Bulletins (TSBs)."
The source further provides the following definitions:
Integrated electronic components "encompasses the failure of electrical components due to physical defect, including defects related to water intrusion, wiring failure, etc. (these defects are not caused or fixed by software)";
Software defect "includes failure of components related to a defect in operating software";
Software integration is the "failure that results from software interfacing with other components or systems in a vehicle";
Software remedy is the "failure is not clearly caused by a software defect, but a software flash or replacement is identified as the appropriate defect remedy".
Citation formats
Vehicles affected by recalls in the U.S. by electronic component 2009-2019
Under ** million vehicles were affected by recalls linked with electronic components in the United States in 2019. Software remedy issues were the most prevalent in these vehicles, representing around ** percent of all units recalled. Electronic component recalls increased over threefold between 2009 and 2019, peaking in 2019.
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ÌÇÐÄÆƽâ°æ. (November 23, 2021). Vehicles affected by recalls in the United States between 2009 and 2019, by electronic component (in million units) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 25, 2026, from /statistics/1277903/us-vehicles-affected-by-recalls-by-electronic-components/
ÌÇÐÄÆƽâ°æ. "Vehicles affected by recalls in the United States between 2009 and 2019, by electronic component (in million units)." Chart. November 23, 2021. ÌÇÐÄÆƽâ°æ. Accessed July 25, 2026. /statistics/1277903/us-vehicles-affected-by-recalls-by-electronic-components/
ÌÇÐÄÆƽâ°æ. (2021). Vehicles affected by recalls in the United States between 2009 and 2019, by electronic component (in million units). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 25, 2026. /statistics/1277903/us-vehicles-affected-by-recalls-by-electronic-components/
ÌÇÐÄÆƽâ°æ. "Vehicles Affected by Recalls in The United States between 2009 and 2019, by Electronic Component (in Million Units)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 23 Nov 2021, /statistics/1277903/us-vehicles-affected-by-recalls-by-electronic-components/
ÌÇÐÄÆƽâ°æ, Vehicles affected by recalls in the United States between 2009 and 2019, by electronic component (in million units) ÌÇÐÄÆƽâ°æ, /statistics/1277903/us-vehicles-affected-by-recalls-by-electronic-components/ (last visited July 25, 2026)
Vehicles affected by recalls in the United States between 2009 and 2019, by electronic component (in million units) [Graph], ÌÇÐÄÆƽâ°æ, November 23, 2021. [Online]. Available: /statistics/1277903/us-vehicles-affected-by-recalls-by-electronic-components/
