This is how to fetch the trouble codes for a GM vehicle made between 1980 to 1995
Link to code meanings: https://www.2carpros.com/articles/buick-cadillac-chevy-gmc-oldsmobile-pontiac-gm-1983-1995-obd1-code-definitions-and-retrieval-method
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How to reset tcm?
How do you clear cel???? Disconnecting the negative didn’t work 🙁
Do the same pins do the transmission codes?
Hoping somebody had this exact issue and knows the proper fix.
4L60E automatic. 228,000 miles.
Tranny shift delays from 1st to 2nd, when at any temp. Will hang in 1st until 2,700 to 3,000 rpm, and shift softly when it eventually upshifts. I can also get it to up-shift by slightly easing up on fuel pedal, at about 2,400 to 2,700 rpms. It will downshift as it should when going up a hill at around 15/20mph, 2nd to 1st. Reverse and 1st always work good, cold or hot. 3rd & 4th work fine. Fluid is exactly Full and clean, when hot/level. No Check Engine Light or any other warnings or issues.
Anyone have this same thing? Thanks!
My engine light doesnt come on and it works is my problem
Ok thank you but what do or how do you find out what those codes mean ?
I made a jumper as soon as I read about that in the Haynes manual for my '88 Chevy G30. Made it from a paper clip and kept it on the hood latch release next to the connector. It's been there since 1994.
Thanks helps alot man
Beautifully short simple and to the point thank you sir I wish all tutorials were like this
Mine just keeps flashing 4s any ideas
Yep that was a good days little bit better than a carburetor but not too much computer