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GMC TSB #GCUS-9-1091
2015 GMC Sierra 2500
TSB Document:
Affected Component: ELECTRICAL SYSTEM:SOFTWARE
- Summary
- 15038 - Dealer Message Only - Not a Field Action. Select 2015 model year vehicles will receive a software download via OnStar® to update the software for the Electronic Climate Control (ECC) system. This over-the-air update is being piloted on a few hundred customer vehicles in the mid-October thru mid-December timeframe. Pending the successful completion of the pilot, rollout to the general vehicle population will begin in January 2016.
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