Transmission Tuner?

[TheRealGinjaNinja]

Anyone know if there is a transmission tuner available for the 3.6? After regearing my diffs the downshifting is a bit much at times. I think the computer thinks it is towing something even while empty so for example, if I hit the brake just enough to light up my brake lights it immediately downshifts a gear or two depending on the speed and slope. All other scenarios it generally runs well (acceleration, cruising etc.)

It’s not a deal breaker (regearing was the best mod after going to 37s) but it would be awesome if we have the capability to improve it.

Cheers

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[Lunentucker]

Obvious question: Did you change the gearing in computer?

 

[ShadowsPapa]

Obvious question: Did you change the gearing in computer?

Right - gotta use Tazer, JSCAN or AlfaOBD and change the axle ratio.

 

[TheRealGinjaNinja]

Obvious question: Did you change the gearing in computer?

Yea I should have mentioned that in my original post. I have a Tazer and yes I update the gear ratio appropriately.

Cheers

 

[ShadowsPapa]

Then it's possible what you are feeling is how it would normally be but amplified now with a much lower axle ratio.
That's how mine acts when I'm descending a 3-4% grade and touch the brake pedal just right (generally a bit more than just "lighting up the brake lights - I have to push hard enough to feel the brakes apply then let up)
Mine does that on our hills around here depending on how I apply the brakes - and that's with stock gears and not towing.

You CAN use JSCAN and likely AlfaOBD (can't say if Tazer does it) to force a relearn.
You can't "tune" the transmission but you can force it back to a time when it was an infant and hadn't yet learned how to walk.
I'd give that a shot.
Mine went through the whole relearn process when I got one of the early PCM updates.

 

[TheRealGinjaNinja]

Then it's possible what you are feeling is how it would normally be but amplified now with a much lower axle ratio.
That's how mine acts when I'm descending a 3-4% grade and touch the brake pedal just right (generally a bit more than just "lighting up the brake lights - I have to push hard enough to feel the brakes apply then let up)
Mine does that on our hills around here depending on how I apply the brakes - and that's with stock gears and not towing.

You CAN use JSCAN and likely AlfaOBD (can't say if Tazer does it) to force a relearn.
You can't "tune" the transmission but you can force it back to a time when it was an infant and hadn't yet learned how to walk.
I'd give that a shot.
Mine went through the whole relearn process when I got one of the early PCM updates.

Good callout on the relearn process. I will have to give that a shot. I like the fact it downshifts for engine braking just hoping to tone it down a bit lol.

Cheers

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