what does error code B0090 mean on my Ford F-150 Fourteenth Generation (2021-present)?

Solution

1. Preparation

• Tools Required: OBD-II scanner, multimeter, socket set, basic hand tools
• Disconnect the vehicle's battery and wait for at least 10 minutes to ensure the airbag system is fully powered down.

2. Inspect and Repair Wiring

• Sub-steps:
  1. Remove any necessary panels to access the airbag wiring harness.
  2. Inspect the wires for fraying, cuts, or corrosion.
  3. Repair or replace any damaged wires or connectors.
  4. Ensure all connections are secure.

3. Replace the Clock Spring (if necessary)

• Sub-steps:
  1. Remove the airbag module by following manufacturer specifications.
  2. Disconnect the clock spring from the steering wheel.
  3. Replace it with a new clock spring, ensuring it is correctly aligned.
  4. Reconnect the airbag module.

4. Reconnect Battery and Test

• Sub-steps:
  1. Reconnect the vehicle's battery.
  2. Clear any DTCs using the OBD-II scanner.
  3. Start the vehicle and check to see if the airbag warning light is still illuminated.