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The Daily Insight Hub

Does dyno tuning void warranty?

Author

Rachel Davis

Updated on February 21, 2026

So contrary to how a dealer representative may inform you; a custom dyno tune/ECU remap will NOT void new car warranty!

Does getting a tune void warranty?

The manufacturers might want you to believe this but nothing is further from the truth. Aftermarket replacement parts will not void your new car's warranty. However, modifying or tuning your car might run afoul of your car's warranty coverage.

What mods will void my warranty?

What Voids Your Vehicle's Warranty?

  • Racing your vehicle is a surefire way to void most warranties.
  • Aftermarket modifications on your vehicle will raise a red flag when you take your car to the dealer for service.
  • Even if your vehicle is designed to go off-road, you may not always be covered under warranty.

Will performance chip void warranty?

Will a Performance Chip void the vehicle warranty? Performance chips are safe for your vehicle's warranty, protected by law under the Magnuson-Moss Warranty Act. The vehicle manufacturer cannot simply void your entire vehicle's warranty due to aftermarket accessories.

Do performance upgrades void warranty?

Although car enthusiasts commonly believe that any modifications will void a warranty, the truth is a little less straightforward. In fact, a modification won't void a warranty unless an automaker or a dealer can prove that an aftermarket part caused the need for repairs.

Will a tune / Jb4 Void your warranty? Q50 Q60

Is there a tuner that won't void warranty?

Performance Module

Unlike performance tuners, performance modules won't void your warranty. This is because they don't leave behind any trace of modification.

What happens if you dont declare mods?

What happens if you don't declare modifications to an insurance provider? Your insurance will be void if you don't declare the modifications to an existing plan. You will be committing fraud if it's not declared at the point of application as you have not provided accurate information deliberately.

Will a cold air intake void my warranty?

Will a Cold air Intake Void my factory warranty? No. In the United States, for the manufacturer of a warranted product (in this case, a vehicle) to void or deny warranty coverage of a repair due to the use of an aftermarket part (a Cold Air Inductions, Inc.

Is ECU tune legal?

So what is California's official policy on ECU Tunes? A. The bad: Any non-CARB-approved tune is considered to be a modification to a vehicle's emission software and is, therefore, an illegal modification that will cause an emissions inspection failure. The good: CARB-approved tunes are still legal.

Can you tune a car back to stock?

Returning the vehicle to stock will 'un-marry' the device and allow it to be used on other vehicles if desired. To use custom tunes on another vehicle with the same device, a new tune file will need to be created and loaded onto the tuner.

How can I mod my car without voiding the warranty?

Mods Not Likely to Void Your Warranty

  1. Suspension. To start, coilovers and a combination of springs or shocks are a safe bet. ...
  2. Cat-Back Exhaust. ...
  3. Wheels. ...
  4. Brakes. ...
  5. Sway Bars. ...
  6. Short Shifter. ...
  7. Exterior Mods.

What voids a warranty?

The warranty period has expired. The defect or part is not covered. The product failure is due to misuse or lack of proper maintenance. You have made significant alterations to the product, affecting its performance.

Will a downpipe void my warranty?

Well-Known Member. It should not void any part of your warranty, but a dealership may void it anyway. As Mark said above, it is probably not worth the fight once it has been denied, even if you are in the right.

Does APR Stage 1 void warranty?

Expect it to void the drivetrain warranty--not just engine but probably tranny, axles, etc. Brakes would be a debatable area perhaps. But it should not void unrelated items--body, other electronics, HVAC, etc. As stated, expect they can see the tune, deleted or not.

Can you pass emissions with a tune?

As long as the ECU tune is approved through the California Air Resources Board Executive Order, the vehicle will still legally pass the test. There are several companies who offer ECU tunes that comply with the Executive Order.

Do insurance companies check ECU?

However, in the event of a claim and your car being damaged, a garage will be able to check for remapping by inspecting the engine's electronic control unit (ECU). If it has been altered, the garage will most likely inform the insurer in a damage inspection report.

Is getting your car tuned illegal?

Because of the way engine tuning can affect emission levels, tuning your engine is often one of the illegal car modifications in Los Angeles, California.

Does a cold air intake increase HP?

Cold air intake systems can increase horsepower by replacing the restrictive stock intake, with components that are designed to handle a much larger volume of air.

Will getting an oil change void my warranty?

It is in fact, illegal for a dealer to deny you warranty coverage for having your car maintained or repaired by someone else. This includes having oil changes, tire rotations, belt replacement, fluid checks and flushes, new brake pads, and inspections performed by companies such as your local Jiffy Lube.

Does aftermarket accessories void warranty?

Most aftermarket car accessory shops now try to install electrical equipment using couplers so that the original wiring is not tampered with. However, in most cases, you will still end up losing your car's warranty.

Do I need to tell insurance about mods?

DECLARING CAR MODIFICATIONS

You must declare any moderations to your insurance company, whether they were made by you or already present when you bought the car. Sometimes modifications don't affect the price but need to be detailed on your policy regardless.

Do I have to tell insurance about mods?

No, you don't have to tell your car insurance company your car is modified. And if you have just liability coverage, you may not need to. But if you have comprehensive or collision coverage, the modifications you paid for won't be covered if you're involved in an accident.

Does having a subwoofer increase car insurance?

They'll be able to tell you how much it will affect your premium by. It may be as much as 10-15%. In some circumstances, an insurance provider won't cover the extra equipment.

Is ECU covered by warranty?

performance warranty

Specified major emission control components are covered for and include only the catalytic converters, the electronic emissions control unit or computer (ECU), and the onboard emissions diagnostic (OBD) device or computer. This applies even if there are no mechanical defects with the vehicle.