Why does my car have a “check battery” sign?

by IoW_Sparky

Question by MM: Why does my car have a "check battery" sign?
We've already replaced the battery and the alternator and it still gives us that sign. What else could be causing it to pop up every time we start the car?

In case it matters, this is for a Plymouth Neon 2000.
Yes, it stays on.

@Nick: You're obviously not much help so shut up.

Best answer:

Answer by drakemustaine
does it stay on the whole time ? if so i would have the codes deleted or read

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