Look at those codes again. If the check engine light is burnt out, then there will be a code for it. I forget what number it is, but OBD2 systems have a code specifically for that. If there is no code, then someone just covered up the light, probably with black electrical tape. You will have to pull the instrument panel out and poke around to find it.
Here is a youtube video for it:
https://www.youtube.com/watch?v=55ctlTmU5IM
It is for a 2000 Jetta, but I think it is the same as your 2001. If not just run a YouTube search and look around until you find one. I can get you some information, but it wil be convoluted and probably not very clear.
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Sunday, October 8th, 2017 AT 6:24 PM