Albert, Have truck scanned for trouble codes. To test a transmission solenoid, use hand held ohm meter. Instructions in second link below, the attached links are informative on the different procedures used to test solenoids.
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."
How to test shift solenoid 4L60E
http://etereman.com/blog/general-motors-transmission/how-to-diagnose-a-bad-solenoid-in-your-4l60e-transmission
Shift Solenoid and Tests GM 4 3L 5 0L 5 7L
How Can Tell If My 4L60 Transmission is BAD
592 views
Usually answered in minutes!
×