tranny problems
Does it blink all the time or only when "sport" schedule is selected?
Blinking red light signifies alertness or danger.
Problem with the A/T seek professional help immediately.
A blinking AC light on your 1992 Chevy pick-up typically means that your vehicle is low on refrigerant causing the compressor to cycle too often. There are also bulletins suggesting polishing your control head terminals, and ensuring that the controller is not being falsely disabled.
Problem with the charging system.
your park brakes are on
There is a problem with the transmission.
recall,call dealer
stop: clear the active runway
I hope it's working.
It means the car needs servicing.