remote entry fobb quit

[gordon finlayson]

2002 jetta tdi sedan: both fobb's quit working. new batteries installed. doors still lock when driving and all door buttons work?

please help?

i am a retired licenced auto mechanic and and currently an electrical engineer

thanks

[chittychittybangbang]

If there were window and alarm problems I'd say a central convenience module problem is possible. Any codes?