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Old 01-24-2021, 05:30 PM   #5
1976gmc20
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Join Date: May 2015
Location: Montana
Posts: 3,696
Re: 6 speed suddenly rough shifting

Quote:
Originally Posted by EVRLET View Post
Trans codes don’t often trigger a check engine light. You need a scanner that can read into the trans controller and pull stored codes. A simple code reader usually won’t cut it. If you’re going to take it to the dealership, they’ll scan and more than likely pull a code. Let us know if there was a code and what the code is.
Okay, thanks. No use trying to read codes then.

It will probably be a couple weeks or more. We're planning to take the 4runner to town next week and I don't like to go to the city more than once in a week. Heck we used to only go once or twice a month, but life seems to be more complicated now.
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Current/past Chevy/GMC trucks:
1958 Chevy C-60; 1965 GMC C-50; 1965 Chevy C-10; 1971 Chevy K-10; 1973 Chevy K-20; 1976 GMC C-20; 1977 Chevy C-10 Suburban; 1980 Chevy K-10; 1989 Chevy K1500; 1991 GMC V1500 Suburban; 2016 Chevy K2500 HD

Other vehicles: 1988 Jeep XJ; 2011 Toyota 4Runner
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