2019 Ford Explorer Battery Problems: 7 Common Issues

Encountering 2019 Ford Explorer battery problems can be a frustrating experience for any owner. A dead battery can leave you stranded, disrupt your daily commute, and lead to unexpected repair costs. Understanding the common issues that affect the 2019 Ford Explorer battery is crucial for proactive maintenance and swift troubleshooting.

This post will delve into the most frequent battery-related concerns reported by owners of the 2019 model, offering insights into their causes and potential solutions. We aim to equip you with the knowledge to identify these problems early and keep your Ford Explorer running smoothly.

Simply put, 2019 Ford Explorer battery problems often stem from parasitic draws, aging batteries, faulty charging systems, or specific electronic component failures. Addressing these issues promptly can prevent complete battery failure and ensure reliable vehicle operation. Regular checks and professional diagnostics are key.

Key Takeaways

• Common 2019 Ford Explorer battery problems include premature failure, rapid discharge, and issues related to parasitic draws.
• Faulty alternators, voltage regulators, and battery management systems are frequent culprits behind charging-related 2019 Ford Explorer battery problems.
• Electronic accessories and aftermarket installations can sometimes contribute to battery drain, exacerbating 2019 Ford Explorer battery problems.
• Regular battery testing and maintenance are essential for identifying and rectifying potential 2019 Ford Explorer battery problems before they cause breakdowns.
• While some 2019 Ford Explorer battery problems can be resolved with simple fixes, persistent issues may require professional diagnosis and repair.

What Are the Most Common 2019 Ford Explorer Battery Problems?

Owners of the 2019 Ford Explorer have reported a range of battery-related issues that can impact their vehicle’s performance and reliability. These problems are not necessarily unique to this specific model year but are common in many modern vehicles with sophisticated electrical systems. Understanding these prevalent concerns is the first step toward effective management and resolution.

The most frequently cited issues revolve around the battery’s lifespan, its ability to hold a charge, and how it interacts with the vehicle’s various electronic components. These can manifest as anything from a slow crank on startup to a completely dead battery with no warning. Identifying the root cause is paramount, as simply replacing the battery might not solve the underlying issue.

Several factors contribute to these widespread 2019 Ford Explorer battery problems. These include the battery’s age and condition, the vehicle’s electrical demands, environmental factors like extreme temperatures, and potential manufacturing defects. A comprehensive approach to diagnosis is often necessary to pinpoint the exact cause of the problem.

1. Premature Battery Failure

One of the most disheartening 2019 Ford Explorer battery problems is when the battery fails well before its expected lifespan. A typical car battery is designed to last between three to five years, but some owners report issues with their 2019 Explorer batteries failing in as little as two years or even sooner. This premature failure can be attributed to several factors.

• Manufacturing Defects: Although rare, a batch of batteries can have internal defects that lead to early failure.
• Extreme Temperatures: Consistently high or low temperatures can significantly shorten a battery’s life. Heat accelerates the chemical reactions inside the battery, leading to degradation, while extreme cold can reduce its cranking power and capacity.
• Frequent Short Trips: If the vehicle is primarily used for short trips, the alternator may not have enough time to fully recharge the battery. This can lead to a chronically undercharged battery, reducing its overall lifespan.
• Underlying Electrical Issues: A faulty alternator, voltage regulator, or a parasitic draw can also put excessive strain on the battery, leading to premature failure.

Best For: Diagnosing and replacing batteries that fail unexpectedly within the first few years of ownership.

2. Battery Rapid Discharge

Another common complaint among 2019 Ford Explorer battery problems is the battery rapidly discharging, often leaving the vehicle unable to start. This means the battery loses its charge much faster than it should, even when the vehicle is turned off. This can be particularly frustrating as it often happens overnight or after the vehicle has been parked for a short period.

• Parasitic Draw: This is the most frequent cause of rapid battery discharge. A parasitic draw occurs when a component in the vehicle continues to draw power even when the ignition is off. This could be due to a faulty module, a light that doesn’t turn off, or an aftermarket accessory wired incorrectly.
• Faulty Battery: A battery that has reached the end of its life or has internal damage may not be able to hold a charge effectively, leading to rapid discharge.
• Corroded Terminals: Corrosion on the battery terminals can impede the flow of electricity, leading to poor charging and faster discharge.
• Extreme Cold: Cold weather significantly reduces a battery’s ability to hold a charge, making it more susceptible to rapid discharge.

Best For: Identifying and resolving sudden battery drain issues.

3. Issues with the Alternator and Charging System

The alternator is responsible for recharging the battery while the engine is running and powering the vehicle’s electrical systems. When the alternator or the related charging system components malfunction, it directly impacts the battery. This is a critical area to investigate when experiencing 2019 Ford Explorer battery problems.

• Faulty Alternator: An alternator that is not producing enough voltage will not adequately charge the battery, leading to a dead battery. Conversely, an alternator that overcharges can damage the battery.
• Bad Voltage Regulator: The voltage regulator controls the alternator’s output. If it fails, it can cause either undercharging or overcharging of the battery.
• Loose or Corroded Wiring: Connections between the alternator, battery, and the rest of the electrical system need to be clean and secure. Loose or corroded wires can disrupt the charging process.
• Battery Management System (BMS) Faults: Modern vehicles like the 2019 Explorer often have a BMS that monitors battery health and charging. A malfunctioning BMS can send incorrect signals, affecting charging performance.

Best For: Troubleshooting charging-related battery issues and alternator failures.

4. Impact of Electronic Accessories and Aftermarket Installations

Modern vehicles are equipped with numerous electronic features, and the 2019 Ford Explorer is no exception. These systems, along with aftermarket additions like alarms, remote starters, or high-powered audio systems, can significantly increase the electrical load on the battery. Improper installation or faulty accessories are common sources of 2019 Ford Explorer battery problems.

• Increased Electrical Load: Every electronic device, from infotainment systems to heated seats, draws power. If these systems have a fault or are not managed efficiently, they can drain the battery faster.
• Aftermarket Wiring Issues: Incorrectly installed aftermarket accessories can create short circuits or persistent parasitic draws. This is especially true for complex systems like car alarms or audio amplifiers.
• Faulty Modules: Electronic control modules (ECMs) that manage various vehicle functions can sometimes malfunction, leading to unintended power draws.
• Software Glitches: In some cases, software bugs within the vehicle’s computer system can cause modules to remain active when they should be off, draining the battery.

Best For: Investigating battery drain caused by added electronics or system malfunctions.

5. Battery Warning Lights and Symptoms

Often, the first indication of impending 2019 Ford Explorer battery problems is a warning light on the dashboard. While the battery warning light is the most obvious, other symptoms can also signal an issue. Paying attention to these signs can help owners address problems before they become critical.

• Battery Warning Light: This red light, often shaped like a battery, typically indicates a problem with the charging system, not necessarily the battery itself. It could mean the alternator isn’t charging, or there’s a voltage issue.
• Dimming Headlights/Interior Lights: If you notice your lights flickering or dimming, especially at idle, it can be a sign that the battery isn’t receiving enough power or is unable to maintain voltage.
• Slow Engine Crank: When you try to start the vehicle, a slow, weak crank is a classic symptom of a dying battery or a weak charging system.
• Strange Smells: A rotten egg smell near the battery can indicate overheating or a leaking battery, which is a serious issue.
• Swollen Battery Case: If the battery case appears bloated or deformed, it’s a sign of internal damage, often caused by overcharging or extreme heat.

Best For: Recognizing early warning signs of battery and charging system issues.

6. Environmental Factors and Battery Longevity

The environment in which your 2019 Ford Explorer operates plays a significant role in its battery’s health and longevity. Extreme temperatures, humidity, and even road conditions can contribute to the various 2019 Ford Explorer battery problems owners might face. Understanding these external influences can help in taking preventative measures.

• Extreme Heat: As mentioned, high temperatures accelerate battery degradation by increasing internal chemical activity. This can lead to reduced capacity and a shorter lifespan.
• Extreme Cold: While heat damages batteries over time, cold weather significantly impacts their immediate performance. Batteries lose cranking power in the cold, and if already weak, they may fail to start the vehicle.
• Humidity: High humidity can contribute to corrosion on battery terminals and connectors, interfering with electrical flow and charging efficiency.
• Rough Road Conditions: Excessive vibration from driving on bumpy roads can jostle the battery internally, potentially damaging its plates and reducing its effectiveness.
• Infrequent Use: Vehicles that are not driven regularly are more prone to battery issues. Batteries naturally self-discharge, and without the alternator’s recharge, they can become deeply discharged, shortening their lifespan.

Best For: Understanding how external conditions affect battery life and performance.

7. Parasitic Draw Explained: A Deeper Dive

Parasitic draw is a recurring theme in discussions about 2019 Ford Explorer battery problems because it’s one of the most common and insidious causes of battery drain. It refers to any electrical component that continues to consume power when the vehicle’s ignition is turned off. A small, constant draw is normal, but an excessive draw will deplete the battery overnight.

How to Identify a Parasitic Draw:

1. Disconnect the Battery: Start by disconnecting the negative battery terminal.
2. Connect a Multimeter in Series: Place a multimeter set to measure amperage between the disconnected negative battery cable and the negative battery post.
3. Check the Reading: With all doors closed and all accessories off, the reading should ideally be below 50 milliamps (mA) for most vehicles. A reading significantly higher indicates a parasitic draw.
4. Isolate the Faulty Circuit: Systematically pull fuses one by one. When you pull a fuse and the amperage reading drops significantly, you’ve found the circuit responsible for the draw.
5. Diagnose the Component: Once the circuit is identified, you can inspect the components on that circuit (e.g., the radio, interior lights, modules) to find the faulty part.

Common Culprits for Parasitic Draw:

• Interior lights not turning off
• Aftermarket alarms or remote start systems
• Faulty door latches or switches
• Stuck relays
• Defective body control modules (BCM) or other electronic control units

Best For: Detailed steps on diagnosing and locating parasitic battery drains.

How to Test Your 2019 Ford Explorer Battery

Regularly testing your battery is a proactive step to prevent unexpected 2019 Ford Explorer battery problems. This can be done at home with a multimeter or by visiting an auto parts store or mechanic for a professional load test. A load test is more comprehensive as it simulates the conditions the battery faces when starting the engine.

Using a Multimeter

A multimeter is an essential tool for any car owner. Here’s how to use it to check your battery’s voltage:

1. Ensure the Engine is Off: Make sure the vehicle has been off for at least a few hours, or disconnect the battery for about 30 minutes to get an accurate resting voltage reading.
2. Locate the Battery: Open the hood and find your battery.
3. Set the Multimeter: Set your multimeter to DC voltage mode (V with a straight line above it).
4. Connect the Probes: Place the red probe on the positive (+) battery terminal and the black probe on the negative (-) battery terminal.
5. Read the Voltage:
   • A fully charged battery should read approximately 12.6 volts or higher.
   • A reading between 12.4 and 12.6 volts indicates a healthy, charged battery.
   • A reading below 12.4 volts suggests the battery is not fully charged and may need attention.
   • A reading below 12.0 volts indicates a significantly discharged battery that may be nearing failure.

Professional Load Testing

While a voltage test gives a snapshot of the battery’s charge, a load test checks its ability to deliver power under stress. Auto parts stores often offer this service for free.

• What a Load Test Checks: It simulates the engine cranking and measures how well the battery maintains voltage under that load.
• Interpreting Results: A technician will tell you if the battery passes or fails the load test, indicating its overall health and remaining capacity.

This table summarizes typical battery voltage readings and their corresponding conditions.

Common Fixes for 2019 Ford Explorer Battery Problems

Addressing 2019 Ford Explorer battery problems often involves a combination of maintenance, diagnostics, and component replacement. The best approach depends on the specific issue identified. Here are some common fixes that owners and mechanics employ.

1. Cleaning Battery Terminals

Corrosion on battery terminals is a common issue that impedes electrical flow, leading to starting problems and poor charging. It’s a relatively simple fix.

• Materials Needed: Wire brush, battery terminal cleaner (or a baking soda and water paste), protective gloves, eye protection, and a wrench for terminal clamps.
• Procedure:
1. Disconnect the negative terminal first, then the positive.
2. Apply battery terminal cleaner or the baking soda paste to the terminals and cable clamps.
3. Scrub away corrosion with a wire brush until the metal is clean and shiny.
4. Rinse thoroughly with water (if using baking soda paste) and dry completely.
5. Reconnect the positive terminal first, then the negative.
• Frequency: Check and clean terminals every 6-12 months, or whenever you notice white or bluish powdery buildup.

2. Addressing Parasitic Draws

As discussed, parasitic draws are a major cause of battery drain. Fixing them requires careful diagnosis.

• Professional Diagnosis: If you’re uncomfortable with electrical diagnostics, a mechanic can use specialized tools to pinpoint the source of the draw.
• Fuse Pulling Method: As detailed in the previous section, systematically pulling fuses is a DIY-friendly method to identify the problematic circuit.
• Component Testing: Once the circuit is identified, the specific component (e.g., a faulty door switch, a malfunctioning module) needs to be tested and replaced if necessary.

Tip: Always ensure all aftermarket accessories are properly installed and integrated with the vehicle’s electrical system to prevent future parasitic draw issues.

3. Replacing the Battery

If your battery is old, has failed a load test, or consistently fails to hold a charge, replacement is necessary. 2019 Ford Explorer battery problems are often resolved by simply installing a new, high-quality battery.

• Choosing the Right Battery: Ensure you select a battery that meets or exceeds the original equipment manufacturer’s (OEM) specifications for your 2019 Explorer in terms of Cold Cranking Amps (CCA) and Reserve Capacity (RC).
• Installation:
1. Disconnect the negative terminal first, then the positive.
2. Remove the battery hold-down bracket.
3. Lift out the old battery (they are heavy!).
4. Clean the battery tray and terminals.
5. Place the new battery in the tray, ensuring it’s secure.
6. Install the hold-down bracket.
7. Reconnect the positive terminal first, then the negative.
• Disposal: Properly dispose of the old battery at a recycling center or auto parts store.

4. Repairing or Replacing the Alternator

If diagnostic tests reveal the alternator is not functioning correctly, it will need repair or replacement. A failing alternator will not charge the battery, leading to a dead vehicle.

• Symptoms of Alternator Failure: Battery warning light illuminated, dimming headlights, whining noise from the engine bay, or a dead battery shortly after starting.
• Testing: A mechanic can test the alternator’s output voltage and amperage to determine if it’s performing within specifications.
• Replacement: If the alternator is faulty, it will need to be replaced with a new or reconditioned unit. This is typically a job for a professional mechanic due to the complexity of accessing and replacing the part.

5. Investigating Other Electrical Components

Sometimes, the battery issue is a symptom of a larger electrical problem. This could involve faulty sensors, control modules, or wiring harnesses.

• Diagnostic Scan: Modern vehicles store fault codes in their onboard computers. A diagnostic scan can reveal issues with various electronic modules that might be contributing to battery drain.
• Wiring Harness Inspection: Damaged or corroded wiring harnesses can cause intermittent electrical problems, including battery drain.
• Module Testing: Electronic control modules (like the Body Control Module or Powertrain Control Module) can be tested for proper function. If a module is faulty, it may need to be replaced and reprogrammed.

When to Seek Professional Help

While some 2019 Ford Explorer battery problems can be addressed with basic maintenance, others require specialized knowledge and tools. It’s crucial to know when to call in the experts to avoid further damage or safety hazards.

Signs You Need a Mechanic:

• Persistent Parasitic Draw: If you can’t locate the source of a parasitic draw after trying the DIY methods, a professional can use advanced diagnostic equipment.
• Alternator or Charging System Issues: Diagnosing and replacing alternators and voltage regulators are complex tasks best left to experienced technicians.
• Complex Electrical Faults: If multiple warning lights are on, or if you suspect a problem with the vehicle’s computer modules or wiring harnesses, professional diagnosis is essential.
• Uncertainty: If you’re unsure about any step of the diagnostic or repair process, it’s always safer to consult a qualified mechanic.
• Safety Concerns: Working with car batteries involves risks of electrical shock and chemical burns. If you’re not comfortable, seek professional assistance.

Important: Always use the correct tools and safety precautions when working on your vehicle’s battery. Wear safety glasses and gloves, and ensure the engine is off.

Frequently Asked Questions

What is the typical lifespan of a 2019 Ford Explorer battery?

The typical lifespan of a car battery is between three to five years. However, factors like climate, driving habits, and maintenance can influence this. Some owners may experience issues sooner, while others might get longer life out of their battery.

Can a faulty alternator cause a battery to die?

Yes, absolutely. The alternator is responsible for recharging the battery while the engine is running. If the alternator fails or is not producing enough power, the battery will not be recharged and will eventually die.

How do I know if my 2019 Ford Explorer needs a new battery?

Signs include slow engine cranking, dimming lights, frequent stalling, a battery warning light on the dashboard, and the battery being older than three to five years. A professional load test can confirm the battery’s health.

What does it mean if my car battery keeps dying?

If your car battery keeps dying, it usually indicates one of two main problems: either the battery itself is no longer holding a charge (it’s old or faulty), or there’s a parasitic draw draining the battery when the car is off, or the charging system (alternator) isn’t recharging it properly.

Are expensive batteries worth it for a 2019 Ford Explorer?

While it’s important to get a battery with the correct specifications, the most expensive option isn’t always necessary. Focus on reputable brands that offer good warranties and meet or exceed OEM requirements. A mid-range battery from a trusted manufacturer often provides excellent value and longevity.

Final Thoughts

Addressing 2019 Ford Explorer battery problems requires a systematic approach. By understanding the common issues like premature failure, rapid discharge, and charging system faults, owners can be better prepared. Regular testing and maintenance are key to preventing unexpected breakdowns and ensuring your Explorer’s electrical system functions reliably.

When in doubt, don’t hesitate to seek professional assistance to diagnose and resolve any battery-related concerns.