GMC TSB #PIT-5206
2012 GMC Sierra
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