Review Of 09 Chevy Aveo Hold Light And Check Engine Light Flashing References. If left unchecked, the issue could cause more serious problems and result in costly repairs. When the emissions component fails it sends an electrical signal know as a trouble code to the engine's computer ,which stores the code so it can be read by a diagnostic code scanner.

I was able to find the trouble code using my. Web i have a 2009 chevrolet aveo. The hold light has come on two times since i have owned the vehicle.