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Discussion Starter #1
I own a 2000 Ram 1500 (automatic transmission) Drove home from visiting family on the 25th. Stopped at a friend's place, and after stopping at a stop sign, the tranny stayed in 3rd gear for some reason, so I downshifted on the column and then put it back in drive. That fixed it for the last 3 blocks I had to drive. Upon leaving my friend's house, the check engine light was on from the time I started the truck until now. Since then, the tranny's been acting like it's about to crap out on me. It's been wanting to stay in lower gears, especially first. :huh:

Just checked the fault code by turning the ignition to the on position 3 times and I came up with P0720. I checked another forum (tried to link it but it wouldn't let me for some reason) and it lists the problem as this:

720 The Output Shaft Speed Sensor doesn't match the reported vehicle speed.

I'm hoping I just need a sensor and don't need to rebuild the tranny.

Any ideas or help on where to go from here would be greatly appreciated. :help:
 

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Found the problem: :IDEA:

Output speed sensor

Autozone lists it as Sensor- Transmission Speed

Runs $16.99 :rck: :D
 
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