What was recalled
If you own a Land Rover or Jaguar vehicle manufactured within the last few years, it is important to verify whether your specific car is part of a significant safety recall announced by the National Highway Traffic Safety Administration (NHTSA). This recall affects a broad range of mild-hybrid electric vehicles (MHEVs) produced by Jaguar Land Rover North America, LLC. The issue stems from a critical component known as the DC-DC converter, which can fail due to an internal fault in its boost control microchip. While this might sound like a technical detail best left to engineers, it has direct consequences for your vehicle’s ability to operate safely on the road.
The recall encompasses several specific models and production years across both the Land Rover and Jaguar brands. For Land Rover owners, the affected vehicles include the 2019 through 2024 Range Rover Sport, the 2020 through 2024 Range Rover, and the 2020 Discovery Sport. Additionally, the recall covers the 2021 through 2024 Range Rover Velar and the 2021 through 2024 Land Rover Discovery. Owners of the compact SUVs should note that the 2020 through 2023 Range Rover Evoque is included, as well as the 2020 through 2024 Defender. If you drive a Jaguar, the recall applies to the 2021 through 2024 F-Pace and the 2021 through 2022 E-Pace models.
While the official recall notice does not specify the exact number of units affected, the wide range of model years suggests that thousands of vehicles across North America may be impacted. These vehicles were sold new by Jaguar Land Rover North America, LLC, and are currently in use on public roads. The recall was officially initiated on April 17, 2026, marking the date when the agency formally recognized the defect and required corrective action. It is worth noting that while the title of this specific alert mentions a 2020 Land Rover Range Rover Sport, the detailed description clarifies that the recall spans the broader 2019-2024 production window for that model line.
If you are unsure whether your vehicle is included, the most reliable method is to check your Vehicle Identification Number (VIN) through official channels. However, given the breadth of this recall, it is highly probable that if your vehicle falls into one of the listed model years and brands, it is part of this group. The manufacturer has begun notifying owners, with interim letters mailing out on June 17, 2026, to alert drivers of the potential safety risk even before a permanent fix is ready.
The hazard, explained
At the heart of this recall is a small but critical component known as the DC-DC converter. To understand why this matters, it helps to first look at how these modern hybrid vehicles manage their power. Your car has two main electrical systems working together: a high-voltage battery that powers the electric motor and propulsion, and a traditional 12-volt system that handles everyday electronics like your lights, infotainment screen, door locks, and safety sensors. The DC-DC converter acts as the bridge between these two worlds. It takes energy from the high-voltage battery and steps it down to charge the 12-volt battery, keeping it full so your car can start and run its essential systems.
In the vehicles affected by this recall, an internal fault within the boost control microchip of the DC-DC converter can cause this component to fail. When that microchip malfunctions, the converter stops doing its job. The 12-volt battery is no longer being charged. While a fully charged 12-volt battery might keep working for a short while on its own, it will eventually drain completely. This creates a cascading failure. Once the 12-volt system loses power, the vehicle’s computer systems shut down. This includes the controls that manage the drive power, meaning the car can suddenly lose all propulsion without warning. It is not a gradual decline; it is often an immediate and complete loss of drive power while you are driving.
The consequences of this failure extend beyond just stopping the car. The 12-volt system also powers your exterior lighting, including headlights, taillights, and turn signals. If that power cuts out while you are on the road, your vehicle effectively becomes invisible to other drivers. You lose your ability to see the road ahead clearly, and others lose the ability to see you. This combination of sudden loss of control and lack of visibility significantly increases the risk of a crash. You might be driving at highway speeds when the car simply stops responding to your inputs, leaving you vulnerable to rear-end collisions or loss of control as you coast.
It is important to note that this issue affects mild-hybrid electric vehicles (MHEVs) across several Land Rover and Jaguar models, including the Range Rover Sport, Range Rover Velar, Discovery, Defender, Evoque, and specific Jaguar F-Pace and E-Pace models from recent years. The failure is not caused by external damage or poor maintenance; it is a manufacturing defect in the microchip itself. This means that even if your vehicle looks and sounds normal, the risk remains until the remedy is developed and installed. Understanding this mechanism helps clarify why NHTSA and Land Rover are treating this with urgency, even though a permanent fix is still in development.
Who is most at risk
When we talk about "risk" in the context of a vehicle recall like this one, it is important to look beyond just the mechanical failure and consider who is behind the wheel and who might be sitting in the passenger seats. The specific hazard here—a sudden loss of drive power due to a failed DC-DC converter—is unique because it does not typically present with a warning light or a gradual decline in performance. Instead, it can happen without any prior notice. This means that the people most at risk are not defined by their age or physical health alone, but by their reliance on predictable vehicle behavior and their ability to react to a sudden, silent failure.
First, consider drivers who frequently navigate high-speed highways, busy intersections, or complex traffic environments. For these individuals, the loss of exterior lighting combined with a complete halt in propulsion is particularly dangerous. If your lights go out while you are merging onto a highway or turning at night, other drivers may not see you in time. The risk here is twofold: you lose your ability to move, and you simultaneously become invisible to others. This creates a high probability of a secondary collision, which can be far more severe than the initial stall. Drivers who are less experienced with manual transmission recovery or those who are easily startled by sudden mechanical silence may find themselves in a panic state, delaying their response to move the vehicle to a safe location.
We must also consider passengers, particularly children and elderly family members. In a standard breakdown, a driver can often pull over gradually and activate hazard lights. In this specific recall scenario, the exterior lighting failure means your hazard lights may not function at all. If you are traveling with young children who cannot understand why the car has stopped or what to do if they need help, their anxiety levels can rise quickly, potentially distracting the driver further. Similarly, elderly passengers may have mobility issues that make it difficult to exit a vehicle safely on the side of a road, especially at night when visibility is compromised by the lighting failure. The combination of being stranded in an unknown location with no visible warning signals to other motorists creates a heightened vulnerability for these groups.
Additionally, drivers who rely on their vehicles for essential daily tasks—such as commuting to work, transporting goods for small businesses, or running critical errands—are at a unique risk. Unlike a flat tire, which has predictable symptoms, this electrical fault can strike during any drive cycle. The lack of an intermediate warning phase means there is no time to plan a safe stop. For anyone who depends on their Land Rover Range Rover Sport or related models for livelihood or essential care, the uncertainty of when this failure might occur adds a layer of psychological stress and practical vulnerability that is often overlooked in standard safety discussions.
How to tell if you have the recalled item
If you own a Jaguar or Land Rover vehicle produced between 2019 and 2024, there is a possibility that your car is part of this specific safety recall. Because this issue affects a wide range of models across two brands, it is important to look closely at the exact year and model name on your registration or vehicle identification number (VIN). The recall targets mild-hybrid electric vehicles (MHEVs) specifically. This means that if your vehicle does not have a mild-hybrid powertrain, it may not be included in this particular campaign, even if it is a Land Rover or Jaguar from these years.
The affected models are numerous, so let’s break them down clearly. First, check if you drive one of the following Land Rover models: the Range Rover Sport (model years 2019 through 2024), the Range Rover Velar (2021 through 2024), the Range Rover Evoque (2020 through 2023), the standard Range Rover (2020 through 2024), the Discovery Sport (specifically the 2020 model year only), the Discovery (2021 through 2024), or the Defender (2020 through 2024). Second, check if you own a Jaguar: the F-Pace (2021 through 2024) or the E-Pace (2021 and 2022 model years only).
The most reliable way to confirm whether your specific vehicle is included is by using the National Highway Traffic Safety Administration’s (NHTSA) VIN lookup tool. You can find this free service on the NHTSA website. Simply enter your Vehicle Identification Number, which is located on your dashboard near the windshield or on your driver’s side door jamb. The system will tell you instantly if your VIN matches any open recalls.
Additionally, Jaguar Land Rover North America, LLC has begun mailing interim letters to owners of these affected vehicles. If you received a letter dated around June 17, 2026, warning you about a potential loss of drive power due to an electrical system issue, your vehicle is definitely part of this recall. The letter will include specific details and instructions. Keep this mail safe, as it contains important information about the remedy.
If you are unsure whether your car has the faulty DC-DC converter, do not guess. Contact Land Rover’s customer service directly at 800-637-6837. When you call, have your VIN ready and mention the recall numbers D126 and H575. This will help them quickly verify your status and guide you on the next steps. Remember, the remedy is still under development, so the immediate goal is simply confirming whether your vehicle is affected.
What to do — step by step
If you own one of the affected Land Rover or Jaguar models listed in this recall, your immediate priority is to stay informed and prepare for the repair process. Because the remedy for this specific electrical system issue is currently under development, the situation requires a bit more patience than a standard recall where parts are immediately available. However, the manufacturer has taken concrete steps to keep you in the loop and ensure your safety during this interim period. Here is exactly what you need to do right now.
- Check your mail for an interim notification letter. Jaguar Land Rover North America, LLC began mailing interim letters to owners on June 17, 2026. This letter does not contain the fix yet, but it serves as official confirmation that your vehicle is part of this recall campaign (D126 and H575). It explains the safety risk regarding the DC-DC converter and the potential loss of drive power. If you have not received this letter by late July 2026, do not assume you are safe. The mailing list may be incomplete, or your mail may have been delayed.
- Contact Land Rover Customer Service proactively. Do not wait for the remedy to be ready if you have concerns. Call Land Rover’s dedicated customer service line at 800-637-6837. When you call, reference recall numbers D126 and H575. This is crucial because these specific codes ensure your inquiry is routed correctly within their system. Ask them to verify whether your Vehicle Identification Number (VIN) is included in the current notification list. If they confirm your vehicle is affected but you haven’t received mail, ask them to resend the interim notice or add you to the priority contact list.
- Monitor your email and mail for updates on the remedy. Once the technical solution for the failed boost control microchip in the DC-DC converter is finalized and parts are manufactured, Land Rover will send additional letters. These subsequent notifications will instruct you on how to schedule your repair. Until that second letter arrives, there is no physical action you can take to “fix” the car yourself. Do not attempt any electrical work on your vehicle, as this could void warranties or exacerbate the issue.
- Schedule your repair appointment once notified. When the remedy becomes available, you will receive instructions on how to schedule service. Contact your authorized Land Rover or Jaguar dealer immediately to book an appointment. Explain that you are calling regarding recall D126/H575. Dealerships receive priority parts allocation for safety recalls, so they should be able to provide a timeline for the repair. Remember, the repair itself will involve replacing or repairing the faulty DC-DC converter to restore proper 12-Volt system charging.
- Practice caution while driving until the repair is complete. Since the hazard involves a potential loss of drive power and exterior lighting, remain vigilant. If you notice any warning lights on your dashboard related to the battery or electrical system, or if the vehicle feels like it is losing power unexpectedly, pull over safely as soon as possible. Contact Land Rover Customer Service at 800-637-6837 for further guidance on what to do in that specific moment. Your safety depends on your awareness of these symptoms until the manufacturer’s fix is installed.
By following these steps, you ensure that you are not left in the dark. The key here is communication. Keep your contact information updated with Land Rover so you don’t miss the critical update when the remedy is ready. While waiting can be frustrating, it ensures that when you finally go to the dealer, the correct parts and procedures will be prepared for you, minimizing your downtime.
Your refund, repair, or replacement options
If you own one of the affected Land Rover or Jaguar vehicles listed in this National Highway Traffic Safety Administration (NHTSA) recall, your immediate next step is understanding what remedy will be available to you. It is important to approach this situation with patience and clarity, as the process for resolving this specific safety issue is currently in a transitional phase. According to the official records provided by NHTSA, the permanent remedy for this recall—the actual fix that will correct the faulty DC-DC converter—is still under development. This means that while you have been notified of the risk, the physical repair or part replacement cannot yet be performed at your local dealership.
In the interim period, Land Rover has taken a proactive step to ensure you are aware of the danger. Interim notification letters were mailed to owners on June 17, 2026. These letters serve as an official warning that your vehicle may experience a loss of drive power due to an internal fault in the boost control microchip within the DC-DC converter. Do not be alarmed by the delay in the fix itself; this is a standard procedure when manufacturers are engineering a robust solution for complex electrical systems. You will receive additional letters once the remedy becomes available, but until that time, your primary course of action is to stay informed and prepared.
When the remedy is finally ready, Land Rover will provide instructions on how to schedule the repair. Typically, this involves contacting the manufacturer to set up an appointment at an authorized dealership where technicians will replace or repair the faulty component at no cost to you. However, because the remedy is not yet finalized, there are currently no specific details regarding refunds, replacements of the entire vehicle, or alternative compensation options. The focus right now is strictly on safety notification and eventual repair.
To stay ahead of the process and get any available updates, you should contact Land Rover’s customer service directly. You can reach them at 800-637-6837. When you call, it will be helpful to have your Vehicle Identification Number (VIN) ready, as well as the specific recall numbers for this campaign: D126 and H575. These codes ensure that customer service representatives can quickly locate your file and confirm whether your vehicle is part of this specific recall involving mild-hybrid electric vehicles (MHEVs).
While you wait for the remedy to be developed, please remain vigilant about your vehicle’s behavior. If you notice any signs of electrical failure, such as a loss of exterior lighting or an unexpected loss of drive power, treat this as a critical safety issue. Since the recall addresses a risk that could lead to a crash, do not ignore warning lights or unusual performance issues in your Range Rover Sport, Range Rover Velar, Discovery, Evoque, Defender, or affected Jaguar models. Your safety is the priority, and staying in touch with Land Rover via the provided contact information is your best tool for ensuring you are among the first to receive the repair once it is ready.
What can happen if you ignore it
When a manufacturer issues a recall for an electrical system component like the DC-DC converter, the urgency is rarely about cosmetic wear or minor inconvenience. In this specific case involving Land Rover and Jaguar mild-hybrid electric vehicles, ignoring the notification carries tangible, immediate risks to your safety on the road. The core issue stems from a failure in the boost control microchip within the DC-DC converter. While this part may seem like a small technical detail, its function is critical: it manages the charging of the vehicle’s 12-volt system. When this component fails due to an internal fault, the chain reaction can be sudden and severe.
The most direct consequence of ignoring this recall is a complete loss of drive power. Because the electrical system is compromised, the vehicle may simply stop working while you are in motion. This is not a gradual decline in performance; it is often an abrupt cessation of engine function or hybrid system operation. For a driver navigating highway speeds, merging onto a busy interstate, or even turning a corner in heavy traffic, losing drive power instantly transforms your vehicle from a controlled machine into a heavy, inert object. The steering may still work, but the ability to accelerate away from danger or maintain lane position becomes significantly more difficult as you lose momentum.
Beyond the loss of propulsion, the failure also impacts exterior lighting. The recall notice explicitly warns that the 12-volt system charging can cease entirely. This means your headlights, taillights, and brake lights may flicker out or fail completely. If this happens at night, in rain, fog, or low-visibility conditions, you become nearly invisible to other drivers. Conversely, if your brake lights fail while driving during the day, vehicles behind you will not know you are slowing down or stopping, dramatically increasing the likelihood of a rear-end collision. The combination of losing your own ability to move and losing your visibility to others creates a perfect storm for a crash.
It is important to note that as of the recall date in April 2026, specific data on reported injuries or accident counts related to this exact defect has not been publicly detailed in the available NHTSA records. However, the physics of losing power and lighting in a modern vehicle are well-understood in safety engineering. The risk is not theoretical; it is a high-probability hazard that materializes when the electrical grid of your car collapses. Until Land Rover develops and distributes the remedy, your vehicle remains in this vulnerable state. Continuing to drive without addressing this issue means you are relying on luck rather than mechanical integrity every time you start the engine.
While interim letters were mailed in June 2026 to inform owners of this risk, the delay in having a fix available is frustrating but not a reason to delay action. You might wonder if you can drive cautiously until the remedy arrives. While caution is always wise, it cannot compensate for an electrical failure that may occur at any moment without warning. The safest approach is to treat this recall with the same seriousness as a brake failure or tire blowout risk. Do not wait for a light to go out or the engine to stall before acting. Proactive communication with Land Rover’s customer service, using the provided recall numbers D126 and H575, is your best defense against the potential chaos of a sudden electrical system collapse.
Staying safe: broader tips
While this specific recall addresses a critical failure in the electrical systems of certain Land Rover and Jaguar mild-hybrid electric vehicles, the underlying lesson applies to every driver on the road. Modern vehicles are essentially computers on wheels, relying on a complex web of sensors, converters, and wiring harnesses to function safely. When one component, such as a DC-DC converter, fails, it can cascade into a total loss of power or lighting. To protect yourself from similar unexpected failures in any vehicle, start by treating your car’s maintenance schedule not as a suggestion, but as a non-negotiable safety protocol. Regular check-ups allow technicians to spot worn belts, corroded terminals, or failing batteries before they leave you stranded or cause a sudden loss of drive power.
One of the most effective ways to stay ahead of mechanical issues is to remain proactive about vehicle recalls. Manufacturers issue these notices when they identify a defect that could compromise safety, but the recall only helps if you act on it. Make sure your contact information is always up to date with both your dealer and the manufacturer’s database. You should also check the National Highway Traffic Safety Administration (NHTSA) website periodically using your Vehicle Identification Number (VIN). This simple habit ensures that you are notified immediately when a safety issue affects your specific model, allowing you to schedule repairs while remedies are still available.
Understanding how your vehicle’s electrical system works can also empower you to recognize early warning signs. Pay attention to any unusual behavior, such as dimming headlights, flickering dashboard lights, or the battery warning light illuminating while driving. These are often the first indicators that the charging system is struggling. If you notice these symptoms, do not ignore them in hopes they will resolve themselves. Instead, reduce your electrical load by turning off non-essential accessories like climate control and audio systems, and seek professional inspection as soon as possible. This can prevent a minor electrical fault from escalating into a complete loss of vehicle control.
Finally, consider the broader context of road safety during adverse weather or low-light conditions. If your exterior lighting fails due to an electrical issue, your visibility drops significantly, increasing the risk of a collision for both you and other drivers. Always carry a basic emergency kit in your trunk, including a flashlight with extra batteries, reflective warning triangles, and a jump starter pack. These tools can provide a temporary lifeline if your vehicle’s battery dies unexpectedly. By staying informed, maintaining your vehicle diligently, and preparing for emergencies, you create multiple layers of protection that go beyond what any single recall can offer.