how to fix B2290 code in Ford F-150 14th Generation (2021-2024)

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the vehicle battery to avoid accidental deployment of the airbag.
• Ensure the vehicle is parked on a level surface and the ignition is off.

2. Inspect and Repair Wiring

• Sub-steps:
  • Remove the passenger seat from the vehicle by unbolting it using a socket set.
  • Disconnect the wiring harness for the occupancy sensor located under the seat.
  • Visually inspect the wiring for any signs of damage or wear.
  • If damaged, repair the wiring using electrical tape or replace it as necessary.

3. Replace the Occupancy Sensor

• Sub-steps:
  • If the wiring is intact, proceed to check the occupancy sensor.
  • Remove the old occupancy sensor from the seat cushion, which may require detaching the seat cover.
  • Install the new occupancy sensor by securing it in place and reconnecting the wiring harness.
  • Reassemble the seat cover if removed.

4. Reinstall the Passenger Seat

• Sub-steps:
  • Position the passenger seat back into its original location.
  • Bolt the seat down securely using the socket set, ensuring it is tightly fastened.
  • Reconnect the vehicle battery.

5. Clear Codes and Test

• Sub-steps:
  • Use the OBD-II scanner to clear the B2290 code.
  • Perform a weight test on the passenger seat by placing an object that simulates weight.
  • Check for any new codes and ensure the airbag warning light is no longer illuminated.