GMC TSB #N182201853

2019 GMC Sierra 1500

TSB Document:

Affected Component: AIR BAGS

Summary
Service Update. In certain vehicles, the customer may witness a service engine soon light and the vehicle?s dynamic fuel management (DFM) may become inactive and stay in V8 operating mode. Reprogram the Engine Control Module (ECM).

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Date Published
DEC 21, 2018
NHTSA TSB #
10208004
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