Skip the auto shop - Our mechanics make house calls

Q: Passenger seatbelt light comes on when no passenger is in it

asked by on

When I'm driving with no one in the passenger seat (kids in the back), the passenger seat belt light flashes on and beeps. I drive a 2013 Subaru Impreza. What causes this?

A: In your vehicle, the occupant detection sen...

In your vehicle, the occupant detection sensor detects when someone of the appropriate weight is sitting in the passenger seat. It then sends this information to the occupant detection module. The occupant detection module also receives a signal from the buckle switch regarding whether or not the occupant is buckled up. If the module detects that an occupant is present but the seat belt is not buckled, it will share that information with the air bag control module in order to turn on the seat belt warning light and sound.

Your problem is somewhere in this system, and my guess is that the occupant detection sensor or control module has failed. A trained professional, such as one from YourMechanic, will be able to inspect your electrical system and determine which part may be faulty.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: The heater control panel don't work and the radio don't work everything else on the dash lights up all the fuses are good

Hello, thank you for writing in. The power supply needs to run to that area of the dashboard before it is divided up between the different components. Considering that two components are both having a loss of power at the...

Q: Driver seat heating up

This doesn't make very much sense. There is no reason your seat should still be warm after using a heated posture cushion several weeks ago. Have you been parking in a sunnier location than usual? It is possible that the...

Q: Does the Transmission and Differential take the same fluid on a Acura TSX?

Hello, I would not recommend to use transmission fluid for the differential. Yes, Acura did use a transmission fluid for the rear differential originally called Z1 but a new fluid (DW1) was formulated and Z1 production ceased. However the fluid...

Related articles

How Long Does a Distributor O Ring Last?
The distributor is part of the ignition system in your vehicle and its purpose is to route high voltage from the ignition coil to the spark plug. The spark plug then...
P0240 OBD-II Trouble Code: Turbocharger Boost Sensor B Circuit Range/Performance
P0240 code definition Turbocharger Boost Sensor B Circuit Range/Performance What the P0240 code means P0240 is an OBD-II generic code triggered when the Engine Control Module (ECM) detects the intake boost...
P2428 OBD-II Trouble Code: Exhaust Gas Temperature Too High Bank 1
P2428 code definition A P2428 trouble code signifies that the PCM has detected a problem in the exhaust gas temperature sensor circuit in bank 1, which subsequently contains the number one...