: Why Does My Engine Shift very Hard when hot? (No Codes)

06-25-05, 01:39 PM
Why does my 93 N* Transmission Shift very Hard when Hot? There are No error Codes...Just History Codes But, The Check engine Light comes on. What could be the problem?....BTW, I found out how to look at the PCM, ACP, TCS and so on Paremeters, But what do they stand for?:yup: :yup: Some of the Paremeter are High ANd Some Are Low.

01-31-06, 03:40 PM
It sounds like the Input Speed Sensor, that is in the transmission. Does the P056 code set? This will cause the problem you describe.

02-01-06, 03:50 PM
This is a complete explaination and fis for what you're facing: http://www.caddyinfo.com/howto/pc0717.htm
Hope this helps, though not good news.