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- Posts: 1
- Joined: Mon Jun 30, 2014 12:41 pm
the speedometer stops working and makes the transmission downshift, we replaced the vehicle speed sensor with no luck
- Posts: 2280
- Joined: Wed Apr 10, 2013 12:42 pm
- Location: Oregon
check out your instrument cluster. speed sensor sends info to the cluster and then it goes out to other computers. If the cluster turns off the pcm sees no speed reading