GMC TSB #PIP5543A

2018 GMC Sierra 3500

TSB Document:

Affected Component: FUEL SYSTEM, DIESEL

Summary
This Preliminary information communicates to dealer technicians a repair direction for a whine or siren type noise coming from the in tank fuel pump in cold weather areas due to possible diesel fuel waxing or gelling issues.

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Date Published
APR 05, 2018
NHTSA TSB #
10137489
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