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Does tuning void a Toyota warranty?

I’m a bit of a hands-on guy, and I love tinkering with things in my garage. I have a Toyota that I’m itching to tune! Before I start doing anything, will tuning my Toyota void its warranty?

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Tiffany Leung · Updated on
Reviewed by Shannon Martin, Licensed Insurance Agent.
While tuning won’t always void a Toyota warranty, we do not recommend doing so. Any damages that are caused during tuning will not be covered under warranty.
Here’s what you need to know about modifying or tuning a Toyota.
Warranties on consumer products are governed in the U.S. by a federal statute known as the Magnuson-Moss Warranty Act. This act outlines what warrantors can or cannot do regarding the warranties they provide.
This act forbids manufacturers from requiring consumers to use OEM parts on their vehicles, unless the parts are provided to you free of charge or are proven to be necessary.
On the other hand, the act also states that the manufacturer does not need to pay for warranty repairs that are caused by a third-party part. For example, if you install an aftermarket part incorrectly and it causes damage to another part under warranty, the manufacturer can deny coverage.
While you decide on the modifications you want to make to your Toyota, you can also take the time to modify your
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Jerry partners with more than 50 insurance companies, but our content is independently researched, written, and fact-checked by our team of editors and agents. We aren’t paid for reviews or other content.

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