how to reset the airbag light on Ford Explorer Fifth Generation (2011-2019)

Ford Explorer Fifth Generation (2011-2019)

Error Codes

1 hour

Time

medium

Difficulty

critical

Severity

Error Code: B0090, B0091

3 min read

431 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 reset the airbag light on a 2011-2019 Ford Explorer. Step-by-step guide with diagnostic procedures and repair instructions.

Error Code

B0090, B0091

Affected Component

Electrical

Estimated Time

1 hour

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always disconnect the battery before working on the airbag system to prevent accidental deployment.

Symptoms

•Airbag warning light illuminated on the dashboard
•Possible error codes related to the airbag system (e.g., B0090, B0091)
•No other dashboard warning lights present
•Airbag system malfunction may prevent deployment in an accident

Diagnostic Steps

1
Use an OBD-II scanner to retrieve any stored error codes related to the airbag system.
2
Check the airbag fuses in the fuse box for continuity and replace if necessary.
3
Inspect the airbag connectors under the seats and dashboard for loose or damaged connections.
4
Examine the seatbelt pretensioners for proper function and make sure they are securely connected.
5
Clear any fault codes using the OBD-II scanner and check if the airbag light remains off.

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

Parts Required

•Replacement fuses (if necessary)

Related Faults

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Diagnostic Steps

1
Use an OBD-II scanner to retrieve any stored error codes related to the airbag system.
2
Check the airbag fuses in the fuse box for continuity and replace if necessary.
3
Inspect the airbag connectors under the seats and dashboard for loose or damaged connections.
4
Examine the seatbelt pretensioners for proper function and make sure they are securely connected.
5
Clear any fault codes using the OBD-II scanner and check if the airbag light remains off.

Solution

1. Preparation

Ensure the vehicle is parked on a flat surface and the ignition is turned off.
Disconnect the negative battery terminal to prevent accidental deployment of airbags.
Wait at least 10 minutes after disconnecting the battery to allow the system to reset.

2. Check and Clear Codes

Reconnect the OBD-II scanner to the vehicle's diagnostic port.
Turn the ignition to the "On" position without starting the engine.
Follow the scanner's instructions to read and clear any airbag-related codes.
If codes are cleared successfully, turn the ignition off and disconnect the scanner.

3. Reconnect Battery

Reconnect the negative battery terminal securely.
Ensure all connections are tight and there are no exposed wires.

4. Test the System

Turn the ignition to the "On" position and observe the airbag light.
The airbag light should illuminate for a few seconds and then turn off, indicating the system is functioning correctly.