how to fix B1310 code in Tesla Model 3 Highland (2024-present)

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the vehicle's 12V battery to ensure safety while working on electrical systems.

2. Inspect Wiring and Connectors

• Tools Required: Socket set, multimeter, torque wrench
• Remove the passenger seat from the vehicle by unscrewing the bolts securing it to the floor.
• Disconnect the wiring harness from the seat and inspect for any frayed wires or damage.
• Use a multimeter to check continuity in the wiring; replace any damaged wires.

3. Replace Seat Occupancy Sensor

• Tools Required: Screwdriver set, new seat occupancy sensor
• If the sensor is faulty, remove the old sensor from the seat cushion by carefully prying it out.
• Install the new seat occupancy sensor into the seat cushion, ensuring it is seated correctly.
• Reconnect the wiring harness to the new sensor.

4. Reinstall Passenger Seat

• Position the passenger seat back into the vehicle.
• Secure it with the original bolts, tightening them to the manufacturer's torque specifications.
• Reconnect the 12V battery.

5. Clear Codes and Test

• Use the diagnostic tool to clear the B1310 code and any other associated codes.
• Start the vehicle and check for the airbag warning light; it should remain off if the issue is resolved.
• Test the seat occupancy sensor functionality by having a passenger sit in the seat and observing the system response.