service engine soon light blinked

i have a 96 olds cutlass supreme 3.1 L
i disconnected the battery and when i reconnected it and started my car the service engine soon light blinked several times. if anyone could tell me why it did this and what it means that would be great.

Your car don't have a misfire?. Check it out or clear the codes of the PCM.

Your ses light will blink when there is a possibility of the cat. converter being damaged.