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Jaguar XJR: I have a 200 Jaguar XJR. I keep getting Code 1797.

I have a 200 Jaguar...
I have a 200 Jaguar XJR. I keep getting Code 1797. a CAN Buss issue with the EMU ans TCU. The car will not start though when I disconnect the battery for 4+ hours it will start again. Its happening almost everytime then go away for a month and then start again. I had my fuel pumps changed 4 months ago also. Not sure what to do?
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Answered in 4 hours by:
7/28/2013
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

When the vehicle will not start can you move the shifter out of park with the ignition ON and foot on th brake? Does the gearbox fault or engine failsafe warnings come on?
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Customer reply replied 9 years ago

1. No, I cannot move the shifter out of park.


2. Messages on the console read: Engine failsafe mode, ASC not available, Trac not available, incorrect part fitted.

Jaguar Mechanic: Richard, Jaguar Technician replied 9 years ago
Can I have the last six digits of your VIN?
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Customer reply replied 9 years ago


F02252

Jaguar Mechanic: Richard, Jaguar Technician replied 9 years ago
Ok thanks.

I want to run your VIN.
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Customer reply replied 9 years ago
SAJDA15B5YMF02252
Jaguar Mechanic: Richard, Jaguar Technician replied 9 years ago
Thanks. I will run this when I get back to the shop and I will reply back.
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Customer reply replied 9 years ago
Any Luck ?
Jaguar Mechanic: Richard, Jaguar Technician replied 9 years ago
This could be caused by any of the modules on the CAN bus network. I have seen issues with the illumination module on the shifter causing this. When the problem occurs we need to perform a resistance check on the network. At the DLC connector pins 6 and 14 is for the CAN and should red 60 ohms with the ignition OFF. If it reads 120 ohms then we have an open in one of the modules on the CAN. Let me know.
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Customer reply replied 9 years ago

I need to take the DLC off the housing its on. I simply can't get my body into that position. I'll let you know tomorrow

Jaguar Mechanic: Richard, Jaguar Technician replied 9 years ago
Ok let me know.
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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Richard
Richard
Richard, Jaguar Technician
Category: Jaguar
Satisfied Customers: 16,763
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Experience: 12 years at a Ford/Lincoln Mercury and Jaguar dealer as technician and shop foreman.

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