Why SRS light is on?

If the SRS warning light on your car is on, it means that one or more elements of SRS system malfunctioned.

SRS (Supplementary Restrain System) is a supplementary system to assure a safety of passengers. The system contains of about 20 elements, that can be divided into 3 groups:

• crash sensors: triggered if a collision occurs;

 • airbag control unit: receives information from the crash sensors, calculates severity of the impact and deploys elements of the safety system accordingly;

actuators - among them:

- airbags,

- seat belt pre-tensioners,

- seat occupancy sensor, and many others.

The fact that the SRS is lit on is not enough to diagnose a faulty seat occupancy sensor. To find out the cause, you need to check the car with a professional diagnostic software.


ATTENTION! Free and cheap diagnostic softwares might falsely indicate malfunctions of SRS elements.

ATTENTION!  An unqualified mechanic, even using a professional software, may incorrectly diagnose a car with a false error.

Read as well what else you should check before purchasing the item.

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