how to troubleshoot Ford Explorer Sixth Generation (2020-present) battery issues

Ford Explorer Sixth Generation (2020-present)

Error Codes

1-3 hours

Time

medium

Difficulty

high

Severity

4 min read

613 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to troubleshoot battery issues in the Ford Explorer Sixth Generation (2020-present). Step-by-step guide for diagnosing and fixing battery problems.

Affected Component

Electrical

Estimated Time

1-3 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems to prevent short circuits.
•Wear safety goggles and gloves when handling batteries and electrical components.

Symptoms

•Engine cranks slowly or not at all
•Dashboard warning lights illuminated
•Electrical accessories (lights, radio) malfunctioning
•Battery warning light on the instrument panel
•Frequent jump-starts needed
•Corroded battery terminals

Diagnostic Steps

1
Check Battery Voltage: Use a multimeter to measure the battery voltage; it should be around 12.6 volts or higher when fully charged.
2
Inspect Battery Connections: Visually inspect battery terminals for corrosion or loose connections.
3
Test Battery Load: Use a battery load tester to check the battery's ability to hold a charge under load.
4
Check Alternator Output: Measure the voltage at the battery terminals while the engine is running; it should be between 13.5 and 14.5 volts.
5
Examine Fuses: Inspect relevant fuses for any blown fuses that could affect the electrical system.
6
Check for Parasitic Draw: Use a multimeter to measure the current draw from the battery when the vehicle is off; it should be below 50 milliamps.

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

✓Test the affected component to ensure it functions correctly
✓Check for any error codes or warning lights
✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

•Follow the manufacturer's recommended maintenance schedule
•Address warning signs early before they develop into major issues
•Use quality parts and fluids recommended for your vehicle
•Keep detailed records of all repairs and maintenance

Tools & Equipment Required

•Multimeter
•Battery load tester
•Socket set
•Wrench set
•Wire brush

Parts Required

•Replacement battery (if needed)
•Replacement alternator (if needed)

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Diagnostic Steps

1
Check Battery Voltage: Use a multimeter to measure the battery voltage; it should be around 12.6 volts or higher when fully charged.
2
Inspect Battery Connections: Visually inspect battery terminals for corrosion or loose connections.
3
Test Battery Load: Use a battery load tester to check the battery's ability to hold a charge under load.
4
Check Alternator Output: Measure the voltage at the battery terminals while the engine is running; it should be between 13.5 and 14.5 volts.
5
Examine Fuses: Inspect relevant fuses for any blown fuses that could affect the electrical system.
6
Check for Parasitic Draw: Use a multimeter to measure the current draw from the battery when the vehicle is off; it should be below 50 milliamps.

Solution

1. Preparation

Tools Required: Multimeter, battery load tester, socket set, wrench set, wire brush.
Disconnect the battery by removing the negative terminal first, followed by the positive terminal. Always wear safety goggles and gloves.

2. Clean Battery Terminals

Use a wire brush to clean any corrosion from the battery terminals and cable connectors.
Reconnect the terminals, starting with the positive terminal followed by the negative terminal.

3. Replace Battery (if necessary)

Tools Required: Socket set, wrench set.
Remove the battery hold-down bracket using the appropriate socket.
Carefully lift the battery out of the tray and replace it with a new one, ensuring it is the correct size and type.
Reinstall the hold-down bracket and connect the terminals securely.

4. Replace Alternator (if necessary)

Tools Required: Socket set, torque wrench.
Disconnect the battery as outlined in the preparation step.
Remove any components obstructing access to the alternator (e.g., air intake duct, engine cover).
Disconnect the electrical connectors from the alternator and remove the mounting bolts.
Install the new alternator and reconnect all components. Torque bolts to manufacturer specifications.

5. Perform System Reset

Start the vehicle and allow it to run for a few minutes. Ensure that all electrical components are functioning properly.
Check for any fault codes using an OBD-II scanner and clear them if necessary.