I've gotten a Gearbox Fault warning, just randomly, a few times over the past month and it seems to come after hitting a bump or by getting some other vibration. I can immediately clear it by shutting the car off, then on, so it's more of a nuisance than a major problem, but it is bothersome nonetheless. On fault, the car will come out of overdrive and/or lock itself into a lower gear with poor responsiveness.

A pothole at 5 mph set it off today. Last week, because I have a tire somewhat out of balance and have a vibration between 50-60 mph, simply driving down a smooth interstate set it off.

It's a 1998 coupe with around 85k on the clock. I just bought a code checker (finally) but haven't checked the car; was mainly wanting to see if someone else has had a similar problem and could tell me the cost/difficulty I should expect in fixing it.

Jess

 

Howdy Jess:
Please check my post on the following link. It may be relevant.
https://www.jaguarforums.com/forum/x...-fault-112493/

 

Just to be clear, the 98 XK8 uses a ZF Transmission and the 02 XKR uses a Mercedes Transmission.

 

READ THE CODE

don't feel bad a lot of us suffer from the same thing.

 

A single code comes back -- p0706 Transmission Range/Performance

Opinions?

Jess