Dealer Issues

California Lemon Law and Frequent Dealer Software Fixes

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    Start with the records. Repair orders, warranty documents, mileage, and days out of service are more useful than general assumptions about whether a vehicle qualifies.

    Modern cars run on code as much as they do on fuel. If your dealer keeps “fixing” your car with software updates, module reflashes, or resets—but the problems keep coming back—you may be wondering how the California Lemon Law treats those digital repairs. This article explains, in plain language, when software fixes can count, why your paperwork matters, and what steps you can take to protect your rights.

    Do Software Fixes Count Under California Lemon Law?

    California’s Lemon Law (part of the Song-Beverly Consumer Warranty Act) generally looks at whether a warranty-covered defect substantially impairs the use, value, or safety of a vehicle and isn’t fixed after a reasonable number of repair attempts. A “repair attempt” doesn’t need to involve replacing a physical part; in today’s vehicles, many warranty repairs are software-based—reprogramming a transmission control module, updating an infotainment system, or performing an over-the-air (OTA) patch. If the manufacturer’s authorized dealer performs these updates to address a defect and the issue persists, those visits can be relevant to a lemon claim.

    Common software-related defects include jerky shifting that’s “addressed” with a transmission software reflash, driver-assistance features that misbehave after multiple calibrations, or an EV that receives repeated battery management updates yet still shows range or charging errors. If your screen freezes, camera feeds go black, or the car shuts off unexpectedly and the dealer applies software updates that don’t hold, those are not just tech annoyances—they can be defects with safety and reliability implications. The key question is not what the dealer replaced, but whether the manufacturer had fair opportunities to fix the problem and failed.

    California also recognizes a presumption that can apply within the first 18 months or 18,000 miles, tied to multiple unsuccessful repair attempts or significant time out of service. The exact counts and details can be nuanced, and they aren’t the only path to relief—vehicles can still qualify outside the presumption. Because software fixes and OTA updates are now routine, it’s important to make sure those efforts are documented as repair attempts by an authorized facility whenever possible. If updates happen outside the service bay, ask the dealer to create a repair order reflecting the software action taken and the symptoms you reported.

    Tracking Dealer Software Fixes: Build Your Record

    Good documentation is often the difference between a frustrating tech loop and a clear path forward. Each time you visit the dealer, request a detailed repair order (RO) that lists your complaint in your own words, the technician’s findings, any diagnostic codes, and the exact software action taken—such as “reprogrammed PCM to latest calibration,” “performed infotainment software update to version X.Y.Z,” or “ADAS camera module reflash.” Even “no problem found” visits matter; keep those ROs, too, because they show you sought help and gave the manufacturer opportunities to fix the issue.

    If your vehicle receives OTA updates at home, take screenshots in the app or on the head unit showing the update date and version. Note any pop-up messages, error codes, or warnings you see before and after the update. Then, schedule a dealer appointment and ask them to verify the update, document the continuing symptoms, and attach any relevant technical service bulletin (TSB) references. Keeping a simple log—dates, mileage, symptoms, weather or road conditions, and how the problem affects driving—can help connect the dots between updates and ongoing defects.

    Finally, track downtime. California law also pays attention to how many total days your vehicle is out of service for warranty repairs. If your car sits at the dealership while technicians chase a software gremlin, ask for written confirmation of in-and-out dates. Don’t modify the vehicle or attempt non-dealer coding changes while seeking warranty coverage; that can complicate things. Keep warranty booklets, recall notices, and all dealer communications in one folder. These steps won’t guarantee any outcome, but they make it much easier for a professional to evaluate your situation.

    Need a case-specific review?

    Use the case-review form to share the warranty, repair orders, dates, mileage, and supporting facts an attorney would need to evaluate, or call (844) 927-5366.

    Attorney advertising. General information is not legal advice and does not create an attorney-client relationship. No result is promised or guaranteed.

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