1998 XJR

Tiny
JMACDONALD
  • MEMBER
  • 1998 JAGUAR XJR
I have a Jaguar XJR with about 71000 miles on it. Last week my amber "check engine" light came on with no clear problem. I called my mechanic (and father-in-law), and of course he said to bring it down and he'd read the code. I couldn't get down there for a few days. The light went off the next morning. A day or so later it began to run hot, and to make a long story short my water pump died. I got right off the highway and had it towed. He replaced the water pump and all was well. Until the amber "check engine" light came back on, then for a split second all the warning lights came on, then went off and everything was fine. I brought it in, had the code read and it was a P1638.
I looked it up and all it says is "CAN link ECM/instm curcuit network." My question, what does this mean, what do I do, and what will it cost?
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Tuesday, September 18th, 2007 AT 8:25 PM

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Tiny
FSTRANGER302
  • MEMBER
[quote="jmacdonald"]I have a Jaguar XJR with about 71000 miles on it. Last week my amber "check engine" light came on with no clear problem. I called my mechanic (and father-in-law), and of course he said to bring it down and he'd read the code. I couldn't get down there for a few days. The light went off the next morning. A day or so later it began to run hot, and to make a long story short my water pump died. I got right off the highway and had it towed. He replaced the water pump and all was well. Until the amber "check engine" light came back on, then for a split second all the warning lights came on, then went off and everything was fine. I brought it in, had the code read and it was a P1638.
I looked it up and all it says is "CAN link ECM/instm curcuit network." My question, what does this mean, what do I do, and what will it cost?[/Quot

hello, this code means that the can network, which is the network in which the instrument pack talks to the other modules in the car is having aproblem communicating. Usally if the connections are ok and the problem is just starting, the instrument pack is going bad and needs to be replaced. If you can find a used one. You would have to take to the dealer to have the keys from your car programed to it hope this helps. Let me know thanks pat
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Saturday, November 24th, 2007 AT 8:55 PM

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