It could mean that you have worn seals or gaskets.
Is your transmission slipping or have you noticed that it is leaking? 07-11 Wrangler JK 2 & 4 Door;03-06 Wrangler TJ/LJ;03-12 Liberty;Models with 42RLE automatic transmission;Kit includes rubber and cork gaskets, sealing rings, oil seals, micro filter, springs and seal retainers;Factory style replacement part;California Residents: WARNING Omix-ADA 42RLE Transmission Rebuild Kit - 19001.07 This kit includes rubber and cork gaskets, sealing rings, oil seals, micro filter, springs, and seal retainers.