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2016 Transmission Software update

AE1M

By AE1M
in 2014 - 2019 Silverado & Sierra

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AE1M

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Took 2016 Silverado HC 1500 in for service and dealer found a software update for ECM and TCM Code#08YN50455501 (what my repair order says).  Anyone know what this is for? 

 

Truck seems less responsive to acceleration.

 

Bob

 

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