When your car flashes an “SOS malfunction,” “Emergency Call System unavailable,” or similar eCall warning, it’s more than an annoying dash light—it can point to a safety-system defect. In California, recurring faults in critical features like the emergency call system may fall under the state’s Lemon Law. Below, ZapLemon explains how these warnings fit into the law, what kinds of repair histories matter, and what steps you can take to protect your rights.
Emergency Call System Faults and CA Lemon Law
Modern vehicles use telematics modules (sometimes called TCU/TCM), antennas, microphones, GPS, and software to place emergency calls after a crash or when you press the SOS button. When those components fail, you might see messages such as “SOS Call System Limited,” “Emergency Call Malfunction,” or “Telematics Failure,” and you may lose automatic crash notification. Even if your car still drives, a malfunctioning emergency call system can affect safety and the vehicle’s value.
California’s Lemon Law (the Song-Beverly Consumer Warranty Act) generally applies to new and used vehicles that are still under the manufacturer’s warranty. If a covered defect substantially impairs the use, value, or safety of the vehicle and the manufacturer (through its dealers) can’t repair it after a reasonable number of attempts, you may be entitled to legal remedies. Safety-related electronic faults—like an SOS/eCall system that doesn’t connect to emergency services, drops calls, or gives false crash alerts—can be considered substantial impairments.
Common real-world examples include recurring “SOS malfunction” warnings after over-the-air updates; microphones that prevent 911 operators from hearing you; telematics units that drain the battery; or false crash detections that lock the vehicle’s controls. If the dealer replaces antennas, TCUs, or harnesses, performs software flashes, and the warning returns, that repair history can be important. Keeping clear records of each visit, mileage, and what was attempted helps show the pattern.
When SOS/eCall Warnings Qualify Your Car as a Lemon
Whether an SOS/eCall issue qualifies depends on facts like warranty status, severity, and repair history. California’s Lemon Law presumption (within the first 18 months or 18,000 miles) looks at how many times the dealer tried to fix the problem and how long your car was out of service. As a general guideline, repeated unsuccessful repairs or 30 or more cumulative days in the shop can support a claim, and serious safety defects may require fewer repair attempts—however, every case is unique and the presumption isn’t the only path to a remedy.
Practical signs that point toward lemon eligibility include: the emergency call system loses function again shortly after “repairs”; multiple components have been replaced without lasting success; the warning disables other safety features; or the car spends weeks waiting on backordered telematics parts or software. Even when the dashboard light clears temporarily, if the fault returns or the core function remains unreliable, it may still be considered unresolved. The key is that the defect persists while the vehicle is under the manufacturer’s warranty.
Action steps you can take now include documenting each warning with photos, noting dates, mileage, weather, and any crash events; requesting detailed repair orders that list fault codes, software versions, and parts replaced; and confirming that the dealer test-drove or verified the fix. Avoid clearing codes before service so the dealer can capture data. If the issue recurs, open a case with the manufacturer, keep track of any loaners and days out of service, and review your warranty booklet for coverage and telematics exclusions. For guidance on your options, consider scheduling a consultation with a California lemon law attorney.
This article is for general informational purposes only, is not legal advice, and reading it does not create an attorney-client relationship. Every situation is different, and outcomes cannot be guaranteed. If you believe your vehicle may qualify as a lemon due to emergency call system faults, contact ZapLemon for a consultation at (310) 489-3017 or visit https://zaplemon.com. Attorney advertising.