2003 Chevrolet Impala Q&A
2003 Chevrolet Impala Question: Security light
There are many reasons this light can come on, I recommend you take it in to a shop and have them check the diagnostic trouble codes that are stored in the BCM (Body Control Module). These codes will help you find what is making the security light come on. Good Luck! - Bret Bodas
The securtiy problem that I been have before I used to wait ten minutes until thessecurity light stop blinks the car start without probles,and then got worst now it just won't star not even...
The engine may start and stall with the security light flashing. This is commonly caused by a f...
It blows fuses and causing air condition to be delayed.