Help!! Transmission jerks hard after transmission tuning - Dodge Cummins Diesel Forum
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post #1 of 24 (permalink) Old 12-14-2015, 07:54 PM Thread Starter
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Help!! Transmission jerks hard after transmission tuning

Around one month ago, I got Anarchy CSP5 and Transmission tuning. After the tuning, if I accelerate a little bit, then let off the gas, the truck jerks. If I cruise to 60 mph, then cancel the cruise, the truck jerks even harder. Before the transmission tuning, it runs smoothly... Is it normal? Does anybody have the same problem? What's wrong with my transmission?

Btw, I'm a conservative driver, normally I use stock tuning, only use street tuning a few times...

Many thanks in advance~

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post #2 of 24 (permalink) Old 12-14-2015, 08:00 PM
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You have to give the trans time to relearn after switching tunes. Drive easy for a while. Don't remember how long as I don't have that issue.

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post #3 of 24 (permalink) Old 12-14-2015, 08:15 PM Thread Starter
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You have to give the trans time to relearn after switching tunes. Drive easy for a while. Don't remember how long as I don't have that issue.
Thanks for the help~
So you also had similar problems before the trans finished its relearn ?
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post #4 of 24 (permalink) Old 12-14-2015, 08:54 PM
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Hi, I takes approximately 100 up shifts and 100 down shifts to learn individual driving patterns
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post #5 of 24 (permalink) Old 12-14-2015, 08:59 PM Thread Starter
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It's already one month, but nothing improved...So I should change to manual mode?
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post #6 of 24 (permalink) Old 12-14-2015, 08:59 PM
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Thanks for the help~
So you also had similar problems before the trans finished its relearn ?
Nope my left foot learns very quick I have the G-56

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post #7 of 24 (permalink) Old 12-14-2015, 09:01 PM
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It's already one month, but nothing improved...So I should change to manual mode?
If you havent switched levels in a month you may want to talk to your tuner the trans should learn after a few days

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post #8 of 24 (permalink) Old 12-14-2015, 09:08 PM Thread Starter
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Yeah, I've contacted with Anarchy, waiting for feedback now. Just wanna see does anybody else have the similar problem, and learn from their experiences.
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post #9 of 24 (permalink) Old 12-14-2015, 09:10 PM Thread Starter
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I definitely should go with mt....even considering swap at to mt, but mine only got 29k, so maybe later...
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post #10 of 24 (permalink) Old 12-15-2015, 06:21 AM
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I definitely should go with mt....even considering swap at to mt, but mine only got 29k, so maybe later...
Or just go back to the stock PCM programming. You said you were a conservative driver; you shouldn't really need a performance trans tune.
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post #11 of 24 (permalink) Old 12-15-2015, 11:09 AM
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After the tuning, if I accelerate a little bit, then let off the gas, the truck jerks. ~
This^^^. Stop doing this. Probably not going to hurt the transmission, but it will probably shorten the life of your U-joints. When you are accelerating, your transmission is preparing a firm shift (increased line pressure I would assume) so as not to slip clutches. When you lay off the throttle just before it shifts, it just continues its firm shift, but without the torque being actually applied to it, it seems quite excessive. I think the stock tuning has some type of torque reduction just before the shift so smooth, soft shifts don't burn clutches. Your aftermarket tuning eliminates this pre-shift torque reduction, so firmer shifts are required to not smoke clutches.

Sorry for the butchered explanation. I'm paraphrasing things I've been explained and read from memory (and certainly getting some of it wrong).

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post #12 of 24 (permalink) Old 12-15-2015, 01:46 PM
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What mode are you running on your CSP5? My truck is also Anarchy tuned with transmission tuning and haven't run into anything like what you're seeing. I have noticed the shift timing seems quicker and it holds the gear longer than the stock program. I'm running the tow program with the exhaust brake engaged and tow/haul on, not sure if that is a factor as well...
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