Backorders for high-voltage electric vehicle parts—like traction batteries, inverters, and battery management systems—can leave your car in the shop for weeks or months. If your EV is stuck waiting on components that are essential for safe operation, you may be wondering whether California’s Lemon Law can help. This article explains how parts delays interact with warranty repairs, what “out of service” time means, and when it’s worth contacting a California lemon law firm like ZapLemon to discuss your options. This information is educational only and not legal advice.
When EV High-Voltage Parts Are on Backorder
High-voltage components are the heart of an EV: the battery pack and battery management system (BMS), the inverter and on-board charger, the high-voltage contactors and wiring, the drive unit, and the thermal management system that keeps everything within safe temperatures. When any of these parts fail, dealerships often must wait on factory-authorized replacements due to limited supply, hazmat shipping rules, or specialized installation requirements. That’s why repair orders for EVs frequently show “awaiting part” or “battery on backorder.”
While your EV sits at the dealership or is parked at home undriveable, the time can count as “out of service” for warranty-repair purposes. In practical terms, a backorder can be just as disruptive as an unsuccessful repair attempt: you still can’t use the car, the safety issue isn’t resolved, and you may be relying on a loaner or rental. Keep every repair order and any emails or texts confirming that parts are on backorder, and ask the service department to note expected arrival dates in writing.
Under California’s Lemon Law (the Song-Beverly Consumer Warranty Act), a vehicle may qualify as a lemon if a defect covered by the manufacturer’s warranty substantially impairs the use, value, or safety of the vehicle and the manufacturer can’t fix it after a reasonable number of attempts. There’s also a “presumption” period that, in certain circumstances, can be met if the vehicle is out of service for a cumulative 30 days during the first 18 months or 18,000 miles, or if there are repeated attempts for the same problem—especially safety-related defects. Backorder delays don’t automatically excuse the manufacturer from these obligations, but every situation is fact-specific. If high-voltage issues leave your EV sidelined, consider speaking with a lemon law attorney to understand how the rules could apply to your case.
When to Contact a California Lemon Law Firm
It may be time to contact a lemon law firm if: your EV has been down for weeks waiting on a high-voltage part; you’ve made repeated visits for the same high-voltage warning or fault (e.g., “service high-voltage system,” charging failures, thermal management faults, or sudden loss of power); or the dealership has documented a backordered battery pack, inverter, or BMS with no clear timeline. The same goes for recurring reduced range or charging lockouts that the dealer can’t permanently fix under warranty. These are common patterns in EV cases, and getting a professional review early can help you avoid missed deadlines.
A California lemon law firm can review your repair records, warranty coverage, and communications to assess whether your situation may meet the legal standards for relief. Depending on the facts, potential outcomes can include repurchase, replacement, or a negotiated “cash-and-keep” settlement—again, outcomes vary and are never guaranteed. There are time limits for bringing claims, and the details can be complicated, so a consultation can help you understand your options without committing to a course of action.
In the meantime, there are simple steps you can take. Keep copies of all repair orders, especially those that state “vehicle not available due to parts on backorder,” and track every day your car is out of service. Ask the service department to provide written confirmation that the part has been ordered and to note any revised estimated arrival dates. Save emails and texts, request loaner or rental coverage if your warranty provides it, and check for recalls or technical service bulletins related to your high-voltage issue. These records make it easier for a lawyer to evaluate your case and for you to understand your rights.
Attorney Advertising. This post is for informational purposes only, is not legal advice, and reading it does not create an attorney–client relationship. Every situation is different; you should consult an attorney about your specific facts. If you believe your vehicle may qualify as a lemon due to EV high-voltage parts on backorder or repeated repair attempts, contact ZapLemon for a consultation at (310) 489-3017 or visit https://zaplemon.com.