High Revs in first gear
#1
High Revs in first gear
A question for techs or anyone who may have experienced the issue I'm having with my 2004 XKR.
Last week I got a warning message saying "check rear lights" and "cruise control unavailable". I had read on this forum that it was probably the brake light switch so I brought it in to my dealer. It was indeed the switch and it was replaced. I also had a routine service done.
When I left with the car later that day it almost felt like the E brake was on but it wasn't. I then noticed that it stayed in first gear until over 5000 rpm before it would shift and then it would be fine until I stopped and accelerated again. I know, I should have returned to the dealer right away but I didn't.
I called the service manager and he suggested I disconnect the battery and then reconnect it after a few minutes to reset everything. Didn't help. It shifts fine in the sequential mode but not when I put in in "D" in the normal mode. The "S" button doesn't make a difference either.
I'm going back on Monday and they'll examine it and read any codes but right now I'm stumped.
Any ideas what went wrong?
Thanks all!
Kevin
Last week I got a warning message saying "check rear lights" and "cruise control unavailable". I had read on this forum that it was probably the brake light switch so I brought it in to my dealer. It was indeed the switch and it was replaced. I also had a routine service done.
When I left with the car later that day it almost felt like the E brake was on but it wasn't. I then noticed that it stayed in first gear until over 5000 rpm before it would shift and then it would be fine until I stopped and accelerated again. I know, I should have returned to the dealer right away but I didn't.
I called the service manager and he suggested I disconnect the battery and then reconnect it after a few minutes to reset everything. Didn't help. It shifts fine in the sequential mode but not when I put in in "D" in the normal mode. The "S" button doesn't make a difference either.
I'm going back on Monday and they'll examine it and read any codes but right now I'm stumped.
Any ideas what went wrong?
Thanks all!
Kevin
#2
I am not sure of your car is part of a recall but ask you service advisor if any other work was done or see if you have a new sticker under your hood with J004 written on it. J004 is an emissions related recall that updates the ECU and TCM (transmission control modules). I have heard that it has been known to upset some TCMs.
J004 - From the EPA.pdf
Here is more on it from another thread (it is not an XK thread but multiple models had this issue)
https://www.jaguarforums.com/forum/s...highlight=joo4
J004 - From the EPA.pdf
Here is more on it from another thread (it is not an XK thread but multiple models had this issue)
https://www.jaguarforums.com/forum/s...highlight=joo4
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Campeon (11-23-2010)
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