Question about 1997 Cadillac DeVille
Speedometer was working and tranny shifting fine untill I tried to go on the highway. It started showing different speeds and then 0. The tranny also felt like it was slipping in and out of overdrive. It then was stuck in third. After shutting it off and turning it back on it was stuck in first. I tested the VSS and the wire and it seemed fine. I spun the tires in snow and when the traction came on my speedometer worked for a short time. Anyhow, its still stuck in first. Any ideas of where I should start? I got po502 which is low voltage from the VSS. I do not want to bring it to the dealer.
Check all wires from trans and connectors to pcm look for rubbed or pinched wires on frame and body repair as needed if you find pinched wires cut out were they were pinched and resoider wires.
Posted on Dec 13, 2008
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