Q: gear gauge light came on on 2002 Jaguar X-Type

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
gear gauge light came on and car sometimes doesn't shift into gear right away
(1) Answer
Sounds like a possible transmission issue, it will need to be connected to equipment that can read out the diagnostic codes in the transmission control module, and then the appropriate tests performed based on the codes stored.