Airbag warning lamp: why is it lit and how to turn it off?

The airbag warning light is one of the many warning lights on your car's dashboard. Like the warning lights of other equipment (coolant, engine, etc.), it comes on to let you know there is a problem with your airbag's electrical system.

💡 How does the airbag warning light work?

The airbag warning lamp is connected to special calculator located in the tunnel of your dashboard. This computer records all the information given to it by various sensors located on either side of your vehicle.

Thus, the airbag warning light can be activated if the computer registers the following signals:

• Detection accident : depending on the severity of the impact, airbags may be deployed and the warning lamp on the instrument panel will come on;
• System error : if the airbag system no longer functions, the warning light will immediately come on to inform you;
• Installation car seat, child seat front : it will work if you deactivate the airbag on the passenger side to install a car seat, while on more modern cars it is deactivated automatically using a sensor that detects the presence of the seat opposite the dashboard;
• La battery has a low voltage : The airbag computer is particularly sensitive to a drop in battery voltage, so the warning light may come on.
• Airbag connectors are defective : located under the front seats, there is a very high probability of false contact between them;
• Contactor sweeping direction is wrong : it is he who allows you to connect the electrical contacts between the steering wheel and the car dashboard. If it no longer provides this connection, the warning light will come on because it no longer detects proper airbag operation.

🚘 The airbag warning light is on: How to remove it?

If your airbag warning light is on and remains on, there are several ways to turn it off. Therefore, you can try to remove the airbag warning lamp by performing the following operations on your vehicle:

1. Check airbag activation : The airbag deactivation switch can be located in the glove compartment or at the passenger end of the dashboard. You can activate and deactivate it with the key that is used to turn on the ignition. If it is disabled, the warning light comes on, but it goes out as soon as you reactivate the airbag by turning the switch with the key.
2. Check the connection of the airbag connectors. : You can do this if your car does not have a power or heated seat. Indeed, there is a wiring harness under the front seats. You can unplug the cables and then plug them back in. Then turn on your car's ignition and if you notice that the light is still on, these cables are not the cause.
3. Download battery your car : You will need to check the voltage of your car's battery with a multimeter. If at rest the voltage is less than 12V, you need to charge it with Charger or battery booster... The airbag warning light is sensitive to fluctuations in battery voltage and should be kept at a good charge level.

⚡ Why is the airbag warning light flashing?

Normally, when the airbag warning light blinks, it indicates an electrical problem with the airbag connectors. Thus, it will be necessary to try disconnect and reconnect these connectors is present under the front seats of your vehicle.

However, if these connectors are unavailable due to the fact that you have electric or heated seats, you will need to do self-diagnosis using diagnostic case.

He will be able to get all the information recorded by your car's computer and will be able to inform you about the origin of an electrical fault. Thus, you can entrust the repair directly to the mechanic who diagnosed your vehicle.

👨‍🔧 Was the airbag warning lamp checked during the inspection?

Many motorists wonder if the airbag warning light is checked during your visit in order to perform technical control your car. The answer is yes. This is considered a serious malfunction because this warning light indicates a malfunction of the airbag.

As it is essential equipment for your safety, it should not be overlooked. If your airbag warning light stays on, this is the reason technical control... Therefore, it will be necessary to resolve this electrical issue before heading off to your next vehicle inspection.

A lit airbag warning light most often indicates an electrical problem with the latter sensor or its connectors. If you would like to do electronic diagnostics in a secure garage, call our online garage comparator to find the one closest to you and at the best price!