Qualifying Defects Under Pennsylvania Lemon Law
What kinds of vehicle defects qualify for a Pennsylvania Lemon Law refund — the substantial-impairment test under 73 P.S. § 1952.
A defect qualifies under the Pennsylvania Lemon Law when it substantially impairs the use, value, or safety of the vehicle. The phrase comes from 73 P.S. § 1952.
Topics in this section
- Transmission defects
- Engine defects
- Brake-system defects
- Electrical and software defects
- Steering and suspension defects
- Infotainment defects
- EV-specific defects
The substantial-impairment test in Pennsylvania
73 P.S. § 1952 defines a “nonconformity” as a defect that “substantially impairs the use, value, or safety” of the vehicle. Three prongs, any one sufficient.
What’s substantial vs. trivial
- Transmission that shifts hard — qualifies.
- Engine that stalls — qualifies.
- Brake-pedal feel that varies — qualifies (safety).
- Power-window switch — typically doesn’t qualify alone.
What’s NOT a qualifying defect
- Damage from accidents.
- Damage from unauthorized modifications.
- Normal wear.
- Neglect or misuse.
- Cosmetic flaws.
How qualifying defects interact with repair-attempt counts
A qualifying defect alone isn’t enough — the consumer still needs to meet § 1956 thresholds: three attempts or 30 cumulative days out of service within the 12-month / 12,000-mile window.
What court / arbitration considers
- Clean documentation.
- Consistent symptoms across visits.
- Defect persistence.
- Properly served certified-mail notice.
- Defect aligns with documented TSBs.
Related
Pennsylvania Lemon Law — Frequently Asked Questions
Quick answers to the most-asked questions about Pennsylvania's Lemon Law and UTPCPL.
Read → TopicPennsylvania Lemon Law Cases by Manufacturer
How the Pennsylvania Lemon Law and UTPCPL apply to specific manufacturers.
Read → TopicThe Pennsylvania Lemon Law Process
Step-by-step: how a Pennsylvania lemon-law case moves from repair attempts through the manufacturer's informal dispute settlement (where applicable) and court action to settlement.
Read → TopicPennsylvania Lemon Law Remedies
What you can recover under Pennsylvania's lemon-law framework — refund, replacement, cash-and-keep, UTPCPL treble damages, and statutory § 1958 attorney-fee recovery.
Read → TopicThe Law: Pennsylvania Lemon Law and UTPCPL
The statutes behind a Pennsylvania lemon-law claim — the Automobile Lemon Law (73 P.S. § 1951), the Unfair Trade Practices and Consumer Protection Law, Magnuson-Moss, and timing rules.
Read → TopicVehicle Types Covered by Pennsylvania Lemon Law
How Pennsylvania's Lemon Law applies to used cars, leases, EVs, motorcycles, RVs, and commercial vehicles.
Read →Think you've got a lemon?
Compare your situation to your state's requirements — and connect with a vetted lemon-law attorney for a free case review.