1997 Jaguar XJ6 tranmission light causing show mode happe

Tiny
KATIEANDGARY
  • MEMBER
  • 1997 JAGUAR XJ6
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 138,000 MILES
We are experiencing lots of electrical like problems at times. They often self correct without intervention. But we are so worried about the tranmission light/show mode happening again. It was awful. The car is running just finenow but intermitten problems stilll continue with wiper, door locks, seat adjustments. We just paid $200 to an auto shop (hight recommeden by the juaguar dealership and who has the $8,000 scanner.) Well they couldn't trace the tranmission issue because it wasn't broken when we took it in. They did however repair the streeing colum (motor was locked) and the seat adjustment ( a fuse) but in the process messed up the whipers that now only work on occasion. ( By the by they claim the wiper was already broken but it was working when we took it in to the shop. Question how can we fix the problem of the tranmission when it isn't broken. Or do we have the car break down and then have it towed to a shop while the tranmission light is on? Is the electical system the real problem and can it be repaired? Should we just cut our losses and run?Help katie and gary we will make a donation gratefully for some sound advise
Thursday, December 11th, 2008 AT 12:20 PM

7 Replies

Tiny
JAMES W.
  • MECHANIC
  • 2,394 POSTS
Being an XJ6 owner myself, I can sympathize with your car problems. Jaguar's biggest problem, over the years, has been their electrical system. They have a relay and a module for everything. I've often thought, a bunch of guys got drunk together one weekend and decided to design a wiring system for Jaguar. I'm an electrician by trade and the system never ceases to amaze me. Anyway, on to your problem. First of all, if a problem is intermitent, it's probably a relay somewhere. Secondly, do you have a, or have access to, a fax #? I will fax you some wiring diagrams w/component locations so you better know what I'm talking about. In the interum, I'll do a little research on your transmission. Also, I'm not quite sure Iknow what you mean about the "light/show mode" Please advise.
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Thursday, December 11th, 2008 AT 10:01 PM
Tiny
KATIEANDGARY
  • MEMBER
  • 4 POSTS
Hello Mr. James Weizel, so happy to receive your reply. First of all my neighbor's fax is 804 744 7968. They are sympathetic to our plight. Next, according to the jag's driver handbook the term I should have used was "limp home mode" Last week we got into the car and Gary couldn't get it out of park - with persistence he did, then the transmission light came on and the car went into the limp home mode. After driving it a very short distance, parking it for about 45 min, it self corrected and when we drove back to the starting point it was just fine and running like a top. We are continuing to drive and the transmission light has not gone on and it drives fine. Now we are continuing to have intermittent door lock and windshield wiper issues. (You just never know it they will or won't operate) so happy to have your advise and we look forward to your fax and next email. Katie and Gary i
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Friday, December 12th, 2008 AT 10:23 AM
Tiny
JAMES W.
  • MECHANIC
  • 2,394 POSTS
Fax is on the way. I will contact you tomorrow AM.
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+1
Friday, December 12th, 2008 AT 4:32 PM
Tiny
JAMES W.
  • MECHANIC
  • 2,394 POSTS
Did the fax come through?
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Saturday, December 13th, 2008 AT 11:46 AM
Tiny
KATIEANDGARY
  • MEMBER
  • 4 POSTS
Yes, the fax did arrive and we thank you so so much. The problem has been that I couldn't find a way back to replyto you. . I just found this by luck -- I am saving this web site so I'll be bettr able to send a more speedy reply. We truly appreciate your help. Katie and gary
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Monday, December 15th, 2008 AT 6:13 PM
Tiny
JAMES W.
  • MECHANIC
  • 2,394 POSTS
Ok, on the wipers. If you turn the wiper switch on high and they won't start, go under the hood and give the on/off relay a pop and see if they start. If yes, change the relay. You should be able to hear the relay click if you unplug and slowly replug the relay. If this relay clicks, but still no wipers, do the same thing with thefast/slow relay. The problem could be in the "body control module", but not likely. If it's intermitent, it's usually a relay problem.
On the door locks. If none of the locks work, smack the "security and locking control module" in the trunk while someone is holding the driver's side lock switch to lock or unlock, which ever. This module is just a box full of relays and they have a tendency to stick. Try this and let me know.
The transmission is another issue. I assume it's working ok now
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Monday, December 15th, 2008 AT 10:36 PM
Tiny
JAMES W.
  • MECHANIC
  • 2,394 POSTS
I think I have retrieved you from the dead. In my last post I listed some things to check. Were you able to do anything with them?
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Thursday, January 1st, 2009 AT 12:34 AM

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