[Gmecm] GM Trans Pressure Adaptive memory question

[DV Fagan]

Mike,
The first thing to try is to disconnect the car
battery for 10 minutes.  That will clear ecm error
codes, it should work on the trans too.
Dennis

--- Mike V <efi at dyakron.com> wrote:

> Hi Guys,
> I think I shot myself in the foot.  My 2000 Impala
> has a 3800 engine
> and 4t65e trans.  The trans is acting wierd from a
> line pressure
> standpoint.  Shifting really hard at times, slipping
> at others..
> After doing a little reading, I realized that I may
> have caused
> this problem myself by ignoring a "low tire" idiot
> light, which I think was caused by a bad wheel speed
> sensor.
> My tire pressures are fine.
> In reading a little about it there are memory cells
> for adapting
>   line pressure up or down, depending on how the
> speed sensors
> report during / after gear changes.
> Is there a way to clear this tranAdaptivePresure
> memory (TAP?)
> without a scan tool?   Thanks for any help.  I hope
> I didn't kill
> the daily driver.
> Mike V 
> 
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> 


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