how to reset the check engine light in Ford Explorer Sixth Generation (2020-present)

Ford Explorer Sixth Generation (2020-present)

Error Codes

30 minutes

Time

medium

Difficulty

medium

Severity

3 min read

403 words

Problem Statement

Learn how to reset the check engine light on a 2020 Ford Explorer. Step-by-step guide with diagnostic procedures and necessary tools.

Affected Component

Electrical

Estimated Time

30 minutes

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery only after turning off the vehicle and allowing it to cool down if it was running

Symptoms

•Check engine light illuminated on the dashboard
•Vehicle may exhibit no noticeable symptoms if the issue was resolved
•Previous error codes may still be stored in the ECU

Diagnostic Steps

1
Scan for error codes using OBD-II scanner
2
Resolve any issues indicated by the error codes
3
Disconnect the negative battery terminal to reset the ECU

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
•Socket set
•Safety gloves

Parts Required

•None

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Solution

1. Preparation

Tools Required: OBD-II scanner, socket set (if disconnecting the battery), safety gloves.
Safety Warnings: Disconnect the battery only after turning off the vehicle and allowing it to cool down if it was running.

2. Using an OBD-II Scanner

Locate the OBD-II port beneath the dashboard on the driver's side.
Plug in the OBD-II scanner and turn on the vehicle’s ignition without starting the engine.
Follow the prompts on the scanner to read and clear the error codes.
Select the option to "Clear Codes" or "Reset Check Engine Light" as per the scanner’s instructions.
Once completed, disconnect the scanner.

3. Disconnecting the Battery (if needed)

Use a socket set to loosen the negative battery terminal.
Remove the negative terminal and wait for at least 15 minutes to ensure the ECU resets.
Reconnect the negative battery terminal and tighten it securely.

4. Final Checks

Start the vehicle and check if the check engine light is off.
Monitor for any re-illumination of the check engine light during operation.