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Truck wont start after attempted APPS reset

Old Sep 30, 2025 | 04:54 PM
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Truck wont start after attempted APPS reset

As the title states gents,
I was having some surging in 5th and 6th gear on two separate occasions, so i did a little reading on here and other forums and all said that it would be worth resetting/ recalibrating the APPS on the truck. I did that and now it wont start at all. I never unplugged anything from the harness, the only thing i unplugged was the batteries for the reset.
I have tried the reset several times and no luck. I did cycle the key 3 times to check for any codes and the only thing that reads out is P ecu and then P done. So I have no codes showing.

Im lost and need help fellas!

2002 Dodge Ram 3500 24v 6 speed

Thanks,

Barnabie
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Old Sep 30, 2025 | 07:23 PM
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From: Pacific NW, B'ham, Kalispell MT
See my reply in the original old thread you posted on.

There's a good video on Timbo's page here.
Timbo APPS
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