Legally reviewed by: Jessica Anvar Stotz, JD, MBA
Common problems: Some of the most common problems with the 2025 Toyota BZ4X include electrical issues, engine-related concerns, and charging system glitches.
Although these problems have not yet resulted in any official recalls, according to the NHTSA database, many owners have reported recurring issues that affect the vehicle’s reliability and performance.
Below, we break down the most frequently reported BZ4X problems, including power dips during charging, ECU malfunctions, and infotainment connectivity troubles.
If you’re considering purchasing a 2025 BZ4X or are already an owner experiencing issues, this article provides a detailed look at what to look out for.
Common 2025 Toyota BZ4X Problems
- Powertrain: Issues with Level 3 Fast Charging; Battery Preconditioning Problems; Sudden Power Dips
- Electrical System: Infotainment System Issues; Key Fob and Phone Connectivity Issues; Low 12V Battery; ECU Defects (Electronic Control Unit)
- Engine: Engine Control Unit (ECU) Problems; EV charging system Issues
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2025 Toyota BZ4X Powertrain Problems
Owners of the 2025 Toyota BZ4X have reported several recurring powertrain issues that affect both charging reliability and overall driving performance.
One of the most frequent complaints involves Level 3 fast charging. Many users have encountered difficulty getting the vehicle to initiate charging, often needing to unplug and reconnect the charger multiple times before it starts properly. This can cause unnecessary delays, especially during longer trips.
Battery management has also raised concerns. Some drivers report that the battery preconditioning system does not function consistently, which can reduce efficiency and limit driving range—especially in colder temperatures.
Additionally, problems with route planning have also been noted, with the system sometimes failing to optimize charging stops based on battery status and trip length.
Another issue involves momentary power dips during Level 2 A/C charging. These fluctuations, which can be tracked using apps like ChargePoint, suggest occasional instability in the charging process.
Taken together, these reports point to ongoing challenges with the BZ4X’s powertrain system that may impact user satisfaction and day-to-day usability.
2025 Toyota BZ4X Electrical System Problems
The 2025 Toyota BZ4X has been the subject of several owner complaints related to its electrical system. Many drivers have experienced connectivity issues, particularly with the vehicle’s infotainment system.
Problems with wireless Apple CarPlay and Android Auto have been frequently reported, with users noting inconsistent connections and dropped links during use.
In addition, some owners have faced difficulties with the digital key feature, including trouble pairing their smartphones or downloading the key properly, which can affect vehicle access and remote functions.
Concerns have also been raised regarding the 12V battery. There have been multiple reports of low battery voltage leading to a range of electrical malfunctions.
In some cases, these issues have been traced back to defective Electronic Control Units (ECUs), which may have been present at the time of vehicle delivery. These ECU defects have contributed to a broader pattern of electrical instability in the vehicle.
One specific malfunction tied to these problems is the “Drive-start Control system malfunction” error, which has been linked to low 12V battery levels.
This error can interfere with the normal operation of the vehicle and may prevent it from starting or driving as intended.
2025 Toyota BZ4X Engine Problems
Some owners of the 2025 Toyota BZ4X have reported engine-related concerns, particularly during the charging process.
One recurring issue involves momentary power dips while the vehicle is connected to an A/C charger.
These fluctuations, which can be monitored through apps like ChargePoint, may point to inconsistencies in how the vehicle manages power delivery during charging sessions.
There have also been advisories related to oil and coolant pricing, specifically involving Toyota Genuine Motor Oil and Long Life Coolant. While this may seem unrelated to performance, it has prompted questions about maintenance costs and long-term upkeep for BZ4X owners.
Some Toyota BZ4X vehicles have been reportedly shipped with defective Engine Control Units (ECUs), which can lead to irregular engine behavior and performance problems.
These ECU defects may also contribute to broader electrical or powertrain instability in the vehicle.
Toyota BZ4X Owner Complaints
“Stay away from this problem car. I left this car in the garage for overnight, about 12 hours . Power was there, battery showed 77% on Toyota app, but the car is totally dead. This happened to me 4 times already. Imagine to park on airport where you go for vacation, then what!!!! Dealer has no explanation, they change 12v battery for new , but it is happened again and again.”
“I live in Colorado and I’ve owned this vehicle now for 3 months. When the temperature dropped to 25 degrees, I received 30% less range/miles on a 100% charge! This is something that Toyota and their dealerships are not being honest and upfront about which is extremely upsetting. I am currently in the buy-back process with Toyota as I will not accept a vehicle that does not perform as promised. The vehicle is supposed to provide 228 miles of range on a full charge at 100%.”
“After one year of use, I am ready to pay the penalties just to get rid of this headache! They claim the range is over 250 miles, but that is a complete lie. In the best-case scenario, this car only goes 160-170 miles. You might reach 220 miles if it’s fully charged, but the manufacturer advises never to charge above 80%. If you let the battery run down to 0%, you might hit 220 miles. Leasing this car was a huge mistake! Most electric vehicles charge at speeds above 150 kW, but this car never exceeds 60 kW.”
Legal Steps for Troubled BZ4X Owners
If your 2025 Toyota BZ4X continues to suffer from recurring problems—such as charging failures, electrical malfunctions, or power dips—even after multiple repair attempts, you may have legal protections under your state’s lemon law.
These laws are in place to help consumers who’ve purchased or leased a vehicle that turns out to be defective during the warranty period.
Eligibility under the lemon law usually depends on how many times the vehicle has been serviced for the same issue and whether those problems significantly affect the vehicle’s use, value, or safety.
If your BZ4X meets these criteria, you might be entitled to compensation, a refund, or even a replacement vehicle. If a refund is awarded, the manufacturer may apply a deduction based on how much the vehicle was used before the defect became apparent.
If a replacement vehicle is offered, you may need to pay the difference in cost if the replacement is more expensive than the original model.
Most lemon laws require the manufacturer to cover your attorney’s fees if your claim is successful. This means you can pursue your case without worrying about paying legal costs upfront.
If your BZ4X has been in the shop repeatedly for the same unresolved issue, it may be time to consider taking legal action.
Don’t Let Repairs Drain You: Call the Lemon Law Experts!
Since 2009, the Lemon Law Experts have been helping drivers resolve lemon law and warranty-related issues. If your 2025 Toyota BZ4X is experiencing repeated electrical glitches, charging failures, or performance problems, you don’t have to deal with it alone.
Our team provides personalized support and fights to secure the best possible outcome—whether that means compensation, a replacement vehicle, or another legal remedy.
Not sure if your BZ4X qualifies as a lemon? Get a free, no-obligation case review today. Call (877) 885-5366 or complete our online form to get started.
