why does my Ford Explorer Sixth Generation (2020-present) battery keep dying

Ford Explorer Sixth Generation (2020-present)

Error Codes

1-2 hours

Time

medium

Difficulty

high

Severity

3 min read

569 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 diagnose and fix battery issues in the 2020-present Ford Explorer. Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Electrical

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems.
•Allow the engine to cool before performing any inspections or repairs.

Symptoms

•Battery warning light illuminated on the dashboard
•Engine cranks slowly or not at all
•Electrical accessories malfunctioning or dimming
•Frequent need to jump-start the vehicle
•Battery age is less than three years

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to check for any related electrical system faults.
2
Inspect the battery terminals for corrosion or loose connections.
3
Test the battery voltage using a multimeter to ensure it is within the normal range (12.4 to 12.7 volts when not running).
4
Check the alternator output while the engine is running (should be between 13.5 to 14.5 volts).
5
Inspect for any parasitic draw by measuring the current draw from the battery with the vehicle off.
6
Examine fuses and relays related to the electrical system for any signs of failure.

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

•OBD-II scanner
•Multimeter
•Socket set
•Wrench

Parts Required

•New battery (if needed)
•New alternator (if needed)

Related Faults

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to check for any related electrical system faults.
2
Inspect the battery terminals for corrosion or loose connections.
3
Test the battery voltage using a multimeter to ensure it is within the normal range (12.4 to 12.7 volts when not running).
4
Check the alternator output while the engine is running (should be between 13.5 to 14.5 volts).
5
Inspect for any parasitic draw by measuring the current draw from the battery with the vehicle off.
6
Examine fuses and relays related to the electrical system for any signs of failure.

Solution

1. Preparation

Gather necessary tools and parts.
Disconnect the negative battery terminal to ensure safety while working.
Tools Required: Socket set, wrench, multimeter, OBD-II scanner.

2. Inspect and Clean Battery Terminals

Remove the positive terminal first, followed by the negative terminal.
Clean any corrosion from the terminals and battery posts using a mixture of baking soda and water.
Dry the terminals thoroughly before reconnecting.

3. Test and Replace Battery (if necessary)

Use a multimeter to check the battery voltage. If the voltage is below 12.4 volts, consider replacing the battery.
To replace the battery:
1. Remove the battery hold-down clamp using a socket set.
2. Disconnect the terminals (negative first, then positive).
3. Remove the old battery and place the new battery in the tray.
4. Connect the positive terminal first, followed by the negative terminal.
5. Secure the battery with the hold-down clamp.

4. Test and Replace Alternator (if necessary)

If the alternator output is not within the normal range when the engine is running, it may need to be replaced.
To replace the alternator:
1. Disconnect the negative battery terminal.
2. Remove any components obstructing access to the alternator (e.g., air intake tubing).
3. Disconnect the electrical connectors and remove the mounting bolts for the alternator.
4. Install the new alternator, reconnect the electrical connectors, and secure it with the mounting bolts.
5. Reassemble any removed components and reconnect the negative battery terminal.