Pomona Lemon Law
Drivers in Pomona are covered by the Song-Beverly Consumer Warranty Act (with Tanner Consumer Protection Act presumption) (Cal. Civ. Code §§ 1790-1795.8 (Song-Beverly); § 1793.22 (Tanner Act)). If your new or used vehicle has a substantial defect the dealer can't fix, you may be entitled to a refund, replacement, or cash settlement. The manufacturer pays the legal fees — you pay nothing out of pocket.
Where Pomona cases are filed
Los Angeles County Superior Court - Pomona Courthouse South (East District)
400 Civic Center Plaza, Pomona, CA 91766
https://www.lacourt.ca.gov/ →Why local conditions matter
How Pomona's driving environment affects vehicle reliability
Pomona sits at the eastern edge of the San Gabriel Valley where four major freeways converge, producing hot, dry summers with frequent Santa Ana wind events and heavy diesel-particulate pollution. The combination of heat, dust, and constant freeway grime is hard on cabin air systems, paint, and underhood electronics.
Major routes: I-10 · CA-57 · CA-60 · CA-71
Logistics-corridor truck and diesel powertrain defects
Pomona sits at the I-10 / CA-60 / CA-57 freight intersection feeding the Inland Empire warehouse boom. Many residents drive heavy-duty pickups and work vans for last-mile logistics, surfacing recurring DEF injector, turbo, EGR, transmission, and emissions-system warranty defects that the Song-Beverly Act explicitly covers.
Heat-soak HVAC and battery cooling failures
Eastern San Gabriel Valley summers routinely exceed 100 degrees, and cars left parked on uncovered surfaces reach interior temps over 140. The thermal load destroys HVAC evaporators, blend-door actuators, and hybrid/EV battery cooling pumps, generating repeat warranty visits during the long cooling season.
Stop-and-go transmission wear
The 10/57/60 interchange is one of the most congested freight choke points in Southern California. Daily low-speed crawling stresses dual-clutch transmissions, conventional automatics, CVTs, and auto start-stop systems, producing harsh shifting, shudder, hesitation, and transmission control module failures during the warranty period.
Dealership clusters
Pomona buyers shop heavily at the Pomona Auto Center cluster near the I-10/CA-71 interchange, the Glendora and Covina dealer rows along Arrow Highway and I-210, and the City of Industry cluster along CA-60. Many residents also cross into San Bernardino County to shop in Ontario, Montclair, and Chino Hills, all within a 15-minute drive.
Brands we see most
Pomona shows a strong domestic and Japanese truck/work-van skew tied to the warehouse-logistics economy - Ford Transit, RAM ProMaster, Mercedes Sprinter, Toyota Tacoma, and Chevy Silverado are heavily represented. Tesla and Hyundai/Kia EV penetration is rising on the commuter side; luxury European brands skew lower than the LA metro average.
Areas served around Pomona
- Phillips Ranch
- Westmont
- Lincoln Park
- Ganesha Hills
- Hacienda
- Yorba
Your rights under California law
Song-Beverly Consumer Warranty Act (with Tanner Consumer Protection Act presumption)
Song-Beverly Consumer Warranty Act (with Tanner Consumer Protection Act presumption) (Cal. Civ. Code §§ 1790-1795.8 (Song-Beverly); § 1793.22 (Tanner Act)) gives California drivers the right to a refund, replacement, or cash settlement when the manufacturer can't fix a substantial defect. The threshold is 4 repair attempts or 30 cumulative days out of service, within 18 months of delivery.
Full California lemon law guide →Common questions
Lemon law in Pomona, CA
Where do Pomona lemon law cases actually get heard?
Most LA County Song-Beverly cases brought by Pomona residents are filed at the Los Angeles County Superior Court's Pomona Courthouse South in the East District, located at 400 Civic Center Plaza, Pomona, CA 91766. The Pomona courthouse handles civil filings for residents of Pomona, Diamond Bar, Walnut, Claremont, La Verne, San Dimas, and the eastern San Gabriel Valley. Larger or more complex matters may alternatively be filed at the Stanley Mosk Courthouse downtown at 111 North Hill Street.
I drive a work van for deliveries in the Inland Empire - is it covered?
Song-Beverly explicitly covers commercial vehicles purchased or leased by a business with five or fewer vehicles registered in California, as long as the gross vehicle weight is under 10,000 pounds (Cal. Civ. Code 1793.22(e)(2)). That covers most Ford Transit, RAM ProMaster, Mercedes Sprinter, Chevy Express, and Nissan NV cargo vans bought by small last-mile delivery operators based in Pomona, Ontario, and Fontana. Document every repair attempt and every day the vehicle is out of service - lost earnings can factor into the damages calculation.
My diesel truck has been in for DEF and emissions problems repeatedly - is that lemon law?
Yes. Diesel emissions-system defects - DEF (diesel exhaust fluid) injector failures, NOx sensor faults, EGR cooler cracks, DPF regeneration problems, and limp-mode triggers - are some of the most common recurring warranty defects in heavy-duty Ford, RAM, and GM trucks driven on Pomona's freight corridors. Each dealer visit for the same complaint counts as a repair attempt under the Tanner Act's four-attempt or 30-day presumption window. Civil penalties up to two times actual damages are available where the manufacturer's refusal to repair or buy back is willful.
What if my Pomona car spends most of its time in traffic on the 60 or the 10?
Stop-and-go traffic on the CA-60 and I-10 is the normal operating environment manufacturers warrant Southern California vehicles to handle. If your dual-clutch transmission shudders, your auto start-stop system fails to restart, or your cooling system overheats while crawling through the East LA interchange or the 57/60 confluence, those are warranty defects. Save every repair order, note the conditions, and don't let the dealer's 'no fault found' summary stop you from documenting recurrence - the test is cumulative attempts, not whether the technician reproduced the issue.
How much can I recover under California lemon law?
If the manufacturer cannot fix the defect, Cal. Civ. Code 1793.2(d) requires either replacement with a comparable new vehicle or a full refund of the purchase price (taxes, license fees, registration, finance charges) minus a use offset for miles driven before the first repair attempt. If the manufacturer's failure was willful, Cal. Civ. Code 1794(c) authorizes a civil penalty up to two times your actual damages - so a $40,000 truck with $5,000 of incidental damages and willful conduct can yield $90,000 in total recovery. The prevailing consumer also recovers attorneys' fees under 1794(d), so you don't pay legal fees out of pocket.
Does the dealer in Pomona Auto Center owe me a refund, or does the manufacturer?
The manufacturer, not the dealer, is responsible for Song-Beverly refunds and replacements on new vehicles, because the dealer is generally selling under the manufacturer's express warranty. For used vehicles sold with the dealer's own written warranty under Cal. Civ. Code 1795.5, the dealer-warrantor can be on the hook. Either way, your lemon-law attorney sends the demand letter to the responsible party - usually the manufacturer's California-registered agent for service - and the dealer where you bought the vehicle is generally not a defendant unless it independently misrepresented something.
How long do I have to file in Pomona Courthouse?
The Song-Beverly statute of limitations is generally four years from the date of breach under Cal. Com. Code 2725 - which usually means four years from when the manufacturer failed to repair within a reasonable number of attempts, not from delivery. AB 1755 (effective 2025) added an outer deadline for new claims: actions must be filed within one year after express warranty expiration and no later than six years from original delivery. If you bought your vehicle several years ago and have a long repair history, consult an attorney quickly - waiting can permanently cut off your right to recover.
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