I dont have access to a scan tool that will show that. I can get the codes read to see if there are any codes though so ill get that checked out. Going to check resistance on all the solonoids to see if theres anything out of place there.
Kinda a long post but want to get all the details in. I have a '98 silverado 3500 with a 454 and 245,000 miles. Recently i started hearing a whine in first gear, its always had a light whine from the square cut gears i believe but the last few months its been getting louder. Then dropped the pan...