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2010 - 2015 Cadillac CTS-V: Service Bulletin: #PIP5429: 2-3 Upshift Slip or Flare - (Oct 10, 2016)

Rob

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[h=3]#PIP5429: 2-3 Upshift Slip or Flare - (Oct 10, 2016)[/h]
Brand:
Model:
Model Year:
VIN:
Engine:
Transmission:
from
to
from
to
Cadillac
ATS
2013
2015
All
All
All
6L45
Cadillac
CTS-V
2010
2015
All
All
All
6L90
Cadillac
SRX
2007
2009
All
All
All
6L50
Cadillac
XLR, XLR-V
2006
2009
All
All
All
6L80
Chevrolet
Caprice PPV
2011
2016
All
All
All
6L45, 6L80*
Chevrolet
Colorado
2015
2017
All
All
All
6L50
Chevrolet
Corvette
2006
2014
All
All
All
6L80
Chevrolet
Silverado
2007
2017
All
All
All
6L80, 6L90
Chevrolet
SS
2014
2017
All
All
All
6L80
GMC
Canyon
2013
2017
All
All
All
6L50
GMC
Sierra, Sierra Denali,*
2007
2017
All
All
All
6L80, 6L90
Hummer
H2, H2 SUT
2008
2011
All
All
All
6L80

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Involved Region or Country
NORTH AMERICA and N.A. EXPORT REGIONS
Additional RPO/s:
N/A
Condition
Some customers may comment on a 2-3 upshift slip or flare.
Cause
This condition is a NORMAL characteristic of the transmission, it will not cause durability concerns and no repair attempts should be made.

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[h=4]Service Procedure:[/h] At this time this flare condition has been recognized in two different driving conditions:


  1. During the first 2-3 upshift after the vehicle has been sitting, engine off for several hours. This condition may be caused by air that is trapped in the 3-5-R clutch assembly.
    When the first 2-3 upshift is made this trapped air is purged and the following 2-3 shifts will be normal with no flare.

    When diagnosing this condition a garage shift into reverse before drive will purge this air and prevent the 2-3 flare from occurring. This condition is a NORMAL characteristic of the transmission, it will not cause durability concerns and no repair attempts should be made.


  2. When transmission ATF temperature is at or below 85 degrees F (30 degrees C). This 2-3 upshift flare can occur until the ATF temperature warms. If the 2-3 flare is determined to be ATF temperature sensitive use a Tech 2 to make note of the throttle position when the flare occurs. Drive the vehicle to get ATF temperature to at least 104 degrees F (40 degrees C) and then make several 2-3 shifts at the throttle position determined to be the most sensitive to the 2-3 flare. This will allow the transmission adapts to tailor the shifts and may help to eliminate the cold 2-3 flare. This condition is a NORMAL characteristic of the transmission, it will not cause durability concerns and no repair attempts should be made.
Notice: A revised TCM calibration has been released and is available on TIS2WEB to improve this concern in 2007 vehicles equipped with the 6L90 RPO MYD*automatic transmission
 

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