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XC90 intermittent electrical failure - CAN bus related? XC90 2004

posted by  90744T on  Thu Jul 4 12:36 CST 2013
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last visit: Thu Jul 4 12:31 CST 2013
[RELATED]

I've had problems with older 740's getting screwy in the heat; some of it was relays that got old & hot, causing the soldered points in the relay to act up once hot, and in one case a clogged sunroof drain ended up dumping water on the computer, corroding it and causing untold screwiness, would run fine, then into limp mode, then stall, then fine. May help lead you to an answer.






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