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4L60-E w/4.3L v6 1993 chevy blazer

1K views 2 replies 3 participants last post by  tnsmith10 
#1 ·
I took the blazer in for a trans fluid & filter change and it came back with no 1st or overdrive. I ran the flashcode and it came back with 81 my hanes book only give reference on codes to 55 and says 58 through 82 are for the trans and does not reference those codes. can anybody tell me what 81 is. and or what is wrong. thanx cliffb
 
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