If your truck or SUV’s Tow/Haul mode won’t engage when you need it—especially with a trailer attached—it’s more than annoying. It can affect how your transmission shifts, engine braking on grades, and overall towing stability. Many California drivers ask whether repeated Tow Mode failures can qualify under the state’s Lemon Law. Below, we explain the basics in plain English and share practical steps to document the problem and protect your rights.
What California Lemon Law Means for Tow Mode Issues
California’s Lemon Law, officially the Song-Beverly Consumer Warranty Act, generally protects buyers and lessees of vehicles sold or leased in the state that have warranty-covered defects. In everyday terms, if a defect substantially impairs the vehicle’s use, value, or safety, and the manufacturer can’t fix it after a reasonable number of attempts, you may have rights to a repurchase, replacement, or other relief under the law. This can apply to new vehicles and many used vehicles that come with a manufacturer or dealer warranty.
Tow/Haul mode is not a luxury feature—it’s a function designed to change shift points, improve engine braking, reduce transmission heat, and enhance trailer control. When Tow Mode won’t engage, engages intermittently, or drops out under load, it can make the vehicle feel underpowered, cause brake fade on long descents, or lead to trailer sway. If you’ve had repeated visits for issues like failed software updates, control module replacements, wiring harness faults, or sensor failures—and the feature still doesn’t work during the warranty period—those facts may be relevant under California’s Lemon Law.
California also has a “lemon law presumption” that can make claims easier to prove in certain situations during the first 18 months or 18,000 miles, such as multiple repair attempts for the same issue or lengthy time out of service. Even if you’re outside those benchmarks, you can still have a viable claim; the presumption is not the only way to qualify. Because every situation is different, a consultation is the best way to understand how the law may apply to your specific Tow Mode defect.
Steps to Document Repairs and Protect Your Rights
Start by recording what happens when Tow Mode fails. Note dates, mileage, speeds, grades, trailer weight, and any dashboard messages. If it’s safe to do so, take short photos or videos showing that Tow/Haul won’t engage or disengages unexpectedly. Keep a simple log that ties each incident to real-world use—like towing a boat up the Grapevine or hauling equipment to a job site—and whether you experienced harsh shifting, overheating smells, or loss of engine braking.
Each time you visit the dealership, ask for a detailed repair order. Make sure it accurately states your concern in plain language (for example, “Customer states Tow/Haul will not engage when pressing the button; feature intermittently drops out while towing 5,000 lbs”). Ask that diagnostic codes, road test results, software update versions, and parts replaced be listed on the invoice. Save all paperwork, including towing, rental, and hotel receipts if the repair kept the vehicle out of service.
Communicate promptly and consistently. If the problem persists, contact the manufacturer’s customer care line and open a case number, then follow up in writing (email or certified mail) summarizing the ongoing Tow Mode issue and repair history. Avoid modifications that could complicate diagnosis (like aftermarket tuners or wiring changes) while the issue is being evaluated. Track total days the vehicle is out of service and the number of repair attempts. When you’re ready to understand your options, contact a California lemon law attorney for a consultation so you can make an informed decision based on your facts and warranty timeline.
Tow/Haul mode that won’t engage can affect safety, hauling ability, and confidence behind the wheel. California’s Lemon Law may help if the problem is substantial, persists under warranty, and the manufacturer can’t fix it after reasonable attempts—but every case turns on its own facts and documentation. If you believe your vehicle may qualify as a lemon, contact ZapLemon at [phone number] or visit [website] to request a consultation.
This article is for informational purposes only and is not legal advice. Reading this post or contacting ZapLemon does not create an attorney–client relationship. Results are not guaranteed. Attorney advertising.