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1997 blazer tranny fault codes
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chris112268
Novice
Dec 28, 2008, 4:30 PM
Post #1 of 1
(1646 views)
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1997 blazer tranny fault codes
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i have a 1997 s-10 blazer 4x4 with the 4.3 engine and the electronic push button 4x4 i was having problems going from 4 hi back to 2 wheel drive so i replaced the transfercase control module with a used working one out of another blazer of the same kind. now the transmission is giving me fault codes p0740 tcc circuit malfuntion p0785 shift timing solonoid and p1860 transmission control also the tranny is not shifting the way it should the fluid level is good and the fluid itself is fairly new. i put the original transfercase control module back in and the codes are still there and so is the shiffting problem. please help
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