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New software upgrade for A8

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Old Mar 21, 2016 | 12:45 PM
  #21  
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Originally Posted by flynhi
It is supposed to alter the shifting program to eliminate hard shifting. Mine is better after the work was done.

To fine tune, a series of single gear drives at certain MPH is needed. For example - drive 5 miles in 3rd gear at 35 MPH. I have not tried this yet.
Perfect, thanks! Any idea when this TSB was released?
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Old Mar 21, 2016 | 01:30 PM
  #22  
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Originally Posted by 1QUICK Z
Perfect, thanks! Any idea when this TSB was released?

I think the first version ( A suffix) was released in 2014. Don't know about other versions.
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Old Mar 25, 2016 | 11:01 AM
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'16 Z06:
I experience a transmission "Stutter" in the lower gears at 35 to 45 MPH. when cold.
It seems like the A8 is trying to chose the right gear without success. The condition is better at temp. but not gone. The mode is usually set to Sport.
Harder acceleration eliminates the problem but creates another by pissing off the Cops.
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Old Mar 26, 2016 | 01:53 AM
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Is it this?
https://research.cars.com/articles/2...1420683920663/

Although I still hit hesitations sometimes on shifts, my main problem is when the car is cold and I start it up and then shift, it jerks the car forward pretty harsh. But if I want 15 - 20 seconds before I shift, it's fine. Not sure if this TSB is related to that issue.
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Old Mar 26, 2016 | 08:40 AM
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Damn, Couldn't open the link..... My computer thinks its "Toxic".




Ready for spring
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Old Mar 26, 2016 | 10:26 AM
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Originally Posted by GT Bill
Damn, Couldn't open the link..... My computer thinks its "Toxic".

Ready for spring
Yeah I don't think cars.com renewed their cert or something.
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Old Mar 26, 2016 | 10:44 AM
  #27  
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Vehicles affected by service bulletin:
2015 Cadillac Escalade
2016 Cadillac Escalade
2015 Chevrolet Corvette
2016 Chevrolet Corvette
2015 Chevrolet Silverado
2016 Chevrolet Silverado
2015 GMC Sierra
2016 GMC Sierra
2015 GMC Yukon
2016 GMC Yukon

Equipped with eight-speed automatic transmission.

The problem: Shifts from Park to Drive or Reverse may feel firm, and a clunk can occur as the engine starts, or immediately after it does so. A malfunction indicator lamp may illuminate.

Corrective action: Dealers will update the transmission control module software.

Warranty info: This service bulletin is being performed free of charge under the Chevrolet/GMC new-car warranty.

Reference TSB No. 15-NA-007.

Last edited by Tenchi; Mar 26, 2016 at 10:45 AM.
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Old Mar 26, 2016 | 06:40 PM
  #28  
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Originally Posted by Tenchi
Vehicles affected by service bulletin:
2015 Cadillac Escalade
2016 Cadillac Escalade
2015 Chevrolet Corvette
2016 Chevrolet Corvette
2015 Chevrolet Silverado
2016 Chevrolet Silverado
2015 GMC Sierra
2016 GMC Sierra
2015 GMC Yukon
2016 GMC Yukon

Equipped with eight-speed automatic transmission.

The problem: Shifts from Park to Drive or Reverse may feel firm, and a clunk can occur as the engine starts, or immediately after it does so. A malfunction indicator lamp may illuminate.

Corrective action: Dealers will update the transmission control module software.

Warranty info: This service bulletin is being performed free of charge under the Chevrolet/GMC new-car warranty.

Reference TSB No. 15-NA-007.
Adding it to my list. Thanks man!
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Old Mar 30, 2016 | 10:53 PM
  #29  
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I have it scheduled to do on the 15th. Hopefully it works.
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Old Mar 31, 2016 | 07:31 PM
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Default Toque converter

I have heard that the toque converter P/N changed and has been updated for 2016.... More fluid capacity...

Anyone also hear this? I have a 2015 Silverado that shifts hard when cold, also my brother bought an ATSV with said transmission... Tracked it and sold it two weeks later because of over heating transmission! I also have an A8 Z06 with issues above 120MPH
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