Because your Nissan is partially engaging its (normally) "off" differential, which is not "loading" properly, and so then sends a signal to your onboard computer that those wheels are "slipping." If you go and buy a manual specific to Frontiers at your local parts store, there is a logic tree in the "drive" section that will help you troubleshoot, and isolate the problem.
what causes the engine light and the tcs and slip light to come on
what causes the rear lights to stay on while engine is running. the car is park
the seat belt sometimes makes the light stay on
What causes the dashboard light to stay on after your car has been turned off? 1994 Buick Century.
Reverse light switch failure
Something is wrong with the ABS system.
The generator/alternator is over or under charging.
The ABS light might stay on because of a sensor issue. The braking system of most vehicles has several sensors that can cause the light to come on and stay on. This could also be a problem with brake pads or calipers.
The door being open.
The warning light will stay on, in your 2003 Ford expedition, when there is an issue with the traction control system. A diagnostic tester will pinpoint the problem.
There are dozens and dozens of causes for the check engine light to stay on. You need to have the computer checked for codes to know possible causes.
get your airbag looked at it might need servicing