Here are the most common causes:
* Faulty Crash Sensor: These sensors detect impact and trigger airbag deployment. A malfunctioning sensor can trigger the light.
* Faulty Airbag Control Module (ACM): This is the "brain" of the system. A problem here is often the most expensive repair.
* Wiring Issues: Damaged, corroded, or loose wiring anywhere in the system can cause the light to illuminate. This is common in older vehicles due to wear and tear.
* Faulty Airbag: A problem with the airbag itself (though less common as the cause of the light) is possible.
* Seatbelt Tensioner Problems: Similar to the airbags, these are part of the Supplemental Restraint System (SRS).
* Clock Spring (Spiral Cable): This connects the steering wheel to the airbag system. Worn out clock springs are a fairly common problem.
What you should do:
1. Do NOT attempt to fix this yourself. The airbag system is complex and potentially dangerous. Improper handling could result in accidental deployment or injury.
2. Get a professional diagnostic: Take your Jeep to a qualified mechanic, preferably one with experience working on older Jeep Cherokees. They'll use a scan tool to read the diagnostic trouble codes (DTCs) stored in the airbag control module. This will pinpoint the specific problem.
3. Repair the problem immediately: Once the diagnosis is complete, have the necessary repairs done. Ignoring the light could have serious consequences in an accident.
Ignoring the airbag light is risky. The cost of repair is far less than the potential cost of serious injury in an accident.
