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GMC TSB #PIT-5206

2012 GMC Sierra

TSB Document:

SB-10052066-1242.pdf

SB-10052066-5227.pdf

Affected Component: POWER TRAIN:AUTOMATIC TRANSMISSION

Summary: GENERAL MOTORS: OWNERS MAY COMPLAIN ABOUT UNWANTED BRAKING, OR REDUCED ENGINE POWER. THERE MAY ALSO BE SOME UP AND DOWN SHIFTS WITH THE TRANSMISSION. *KB UPDATED 10/15/14. *PE UPDATED 11/12/14. *PE

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Date Published: JUL 01, 2014
NHTSA TSB #: 10052066

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