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Jaguar XJ8: Richard I have a 1998 XJ8 with 94K about two years…

Richard I have a 1998...

Richard I have a 1998 XJ8 with 94K about two years ago The tranny was rebuilt. Twice in the past two weeks when driving for a while at highway speeds the tranny fault light comes on but the car drives fine. When I turn off the car and restart it The warning light is no longer lit. My mechanic can find nothing wrong with the car. Do you have an idea what may be causing this [email protected]

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Answered in 2 hours by:
3/9/2013
Jaguar Mechanic: Richard, Jaguar Technician replied 9 years ago
Richard
Richard, Jaguar Technician
Category: Jaguar
Satisfied Customers: 16,763
Experience: 12 years at a Ford/Lincoln Mercury and Jaguar dealer as technician and shop foreman.
Verified
Hello and welcome to justanswer.com

Do any other fault warning lights or messages come on?
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Customer reply replied 9 years ago


I have an intermitten battery charging warning light that happens several time a day for only a second. But when the Tranismission fault lit comes on it stays on until the ignition is turned off.

Jaguar Mechanic: Richard, Jaguar Technician replied 9 years ago
Ok it definitely sounds like it can be an electronic problem either inside the transmission like a solenoid/regulator or possibly the TCM. To be sure we need to have the fault codes read. Since only the gearbox fault warning is coming on it will need to go to Jag or a European specialist that has Jag software. Sorry for the bad news.
Richard
Richard, Jaguar Technician
Category: Jaguar
Satisfied Customers: 16,763
Experience: 12 years at a Ford/Lincoln Mercury and Jaguar dealer as technician and shop foreman.
Verified
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Customer reply replied 9 years ago

The codes have been read and theeir are no error codes the computer shows no codes for the tranny

Jaguar Mechanic: Richard, Jaguar Technician replied 9 years ago
DO you know what was used to scan the vehicle? Did you take it to the dealer?
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Customer reply replied 9 years ago

The shop I go to is not an OEM but they have the proper tools. They stated they could not find any error code. They specialize in these types of cars.

Jaguar Mechanic: Richard, Jaguar Technician replied 9 years ago
I understand. There really are only a select few tools that can fully communicate with the vehicle and can read all the control modules. Fault codes will only be stored in the TCM. If they cannot access codes in the TCM or their tool does not show any faults it will need to go to Jag.
Richard
Richard, Jaguar Technician
Category: Jaguar
Satisfied Customers: 16,763
Experience: 12 years at a Ford/Lincoln Mercury and Jaguar dealer as technician and shop foreman.
Verified
Richard and 87 other Jaguar Specialists are ready to help you
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Customer reply replied 9 years ago

My instinct says computer, last time I went to Jag they ripped me off don't really want to go there. I know the shop has the proper tools but no error codes were foundwhat would cause this a bad connector module

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