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2006 - 2009 Cadillac XLR - XLR-V: Service Bulletin: #PIP5429: 2-3 Upshift Slip or Flare - (Oct 10, 2016)

#PIP5429: 2-3 Upshift Slip or Flare - (Oct 10, 2016)

Brand:Model:Model Year:VIN:Engine:Transmission:
fromtofromto
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

 

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.

Service Procedure:

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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