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.
If your electric vehicle won’t charge at home because the onboard charger keeps failing, you’re not alone—and you may be wondering whether California’s Lemon Law can help. The onboard charger is the component inside the car that converts AC power from a Level 1 or Level 2 charger into DC power for the battery. When it’s defective, you can be left with a vehicle that’s unreliable, costly to operate, or unusable for everyday needs. This article explains, in plain language, how California’s Lemon Law can apply to onboard charger failures and what steps to consider if you’re experiencing repeated charging issues.
How California Lemon Law Applies to Charger Failures
California’s Lemon Law—part of the Song-Beverly Consumer Warranty Act—generally covers new and certain used vehicles that are still under the manufacturer’s warranty. The key question is whether a defect that’s covered by warranty “substantially impairs” the vehicle’s use, value, or safety and the manufacturer can’t fix it after a reasonable number of repair attempts. An onboard charger that won’t accept AC charging, intermittently stops charging, throws recurring “charge fault” errors, or overheats can severely limit an EV’s usefulness and may meet that standard, depending on the facts.
The law includes a guideline often called the “lemon law presumption.” If, within the first 18 months or 18,000 miles (whichever comes first), the vehicle has: four or more repair attempts for the same issue; or two or more attempts for a defect that could cause serious injury or death; or 30 or more cumulative days out of service for warranty repairs—then the vehicle is presumed to be a lemon. This presumption isn’t required to win a case, and a vehicle may still qualify even if it falls outside these numbers, especially if the defect persisted during the warranty period and the manufacturer had reasonable opportunities to repair. Every case is fact-specific.
If a vehicle qualifies under the law, potential remedies can include a repurchase or replacement, plus incidental damages like certain towing or rental costs, as provided by statute. Importantly, results vary by case and depend on documentation and timing. Onboard charger defects can be especially impactful because they eliminate convenient home charging and can force reliance on costlier DC fast charging—or leave you stranded if the battery can’t be recharged. If you’re facing repeated charger failures, consider speaking with a professional to understand how the law might apply to your situation.
Steps to Take if Your EV’s Onboard Charger Fails
Start with documentation. Each time the onboard charger fails, note the date, mileage, conditions, and any dashboard messages or app alerts. Take photos or screenshots of error codes like “charge port fault,” “charging interrupted,” or “power limited,” and save charging session logs if available. Keep all repair orders, parts invoices, and communications with the dealer or manufacturer. Precise records can make the difference in proving repeated repair attempts or extended time out of service.
Request warranty service from an authorized dealer and describe the symptoms clearly—when the failure happens, whether it occurs on Level 1 or Level 2, and if it’s tied to particular locations or EVSE cables. Ask the dealer to record the specific concern on the repair order, including test results and any software updates performed. If the problem persists, return promptly and reference prior visit numbers. It can help to try multiple, known-good charging sources (e.g., different Level 2 stations) to rule out a bad outlet or home EVSE. Do not modify wiring or use noncompliant adapters; doing so can create safety issues and complicate warranty coverage.
If repairs drag on, or replacement parts are backordered and your vehicle is down for weeks, keep track of the total days out of service. Review your warranty booklet for EV component coverage—many brands have separate terms for high-voltage systems—and check for recalls or technical service bulletins addressing charger failures. You can also ask the manufacturer about any dispute-resolution or arbitration programs. Throughout, consider consulting a professional who handles lemon law matters in California to discuss your options. For legal advice about your specific facts, you’ll need a consultation with an attorney.
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Attorney advertising. General information is not legal advice and does not create an attorney-client relationship. No result is promised or guaranteed.