PCM learning

5029 Views 2 Replies 2 Participants Last post by jsone, May 11, 2010

jsone

Discussion Starter · May 11, 2010

Quote:
Originally Posted by jsone

That would make sense , changed driving habits and also parts wearing , so wouldn't repositioning the solenoid also possibly change things enough that that the computer would have to adapt to that as well ?

It wouldn't unless "you" have to adapt to the change and then it would adapt to your change.
Bill

I decided to start a new thread since this discussion started on a thread not specific to this . My question was in reguard to a PCM flash update that repositioned the shift solenoid . My thinking was it would possibly cause the computer to need to relearn . I'm still not convinced it won't .

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wptski

· #2 · May 11, 2010

About all could find about the topic was the following from the Workshop Manual about the 6F35 transmission.

>>>
The PCM has an adaptive learn strategy to electronically control the transaxle which will automatically adjust the shift feel through the life of the vehicle. The first few hundred miles of operation of the transaxle may have abrupt shifting. This is a normal operation. To reset the adaptive shift pressure strategy, use the scan tool to clear the transmission keep alive memory tables.
>>>

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jsone

Discussion Starter · #3 · May 11, 2010

wptski said:
About all could find about the topic was the following from the Workshop Manual about the 6F35 transmission.

>>>
The PCM has an adaptive learn strategy to electronically control the transaxle which will automatically adjust the shift feel through the life of the vehicle. The first few hundred miles of operation of the transaxle may have abrupt shifting. This is a normal operation. To reset the adaptive shift pressure strategy, use the scan tool to clear the transmission keep alive memory tables.
>>>

Sounds like the manual is a little ambiguous to me but I appreciate your help in trying to answer my curiosity . :confused5:

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