Hi. Now the proud owner of a 15 plate 2.2 XF. Always loved Jaguars since been little, now 55 and only the 2nd i have owned. Why did i wait so long sine the last XJ in the 80's. Present car NSR TPM is show as faulty, i have had it checked and it is. Have a used TPM but the code is different. Do i need either to get this coded or do i need a new un coded TPM and get this coded or are they self coding. Many thanks and look forward to some replys. Sean. Kingston upon Hull