Is your defective GMC Sierra 2500 actually a LEMON?

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TSB Document:

Affected Component: EQUIPMENT

Summary
This Preliminary information communicates    A customer vehicle may have a concern of a P0300 setting after bulletin 21-NA-154 has been performed. Unknown Engineering is looking it to this concern 

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Date Published
SEP 27, 2021
NHTSA TSB #
10202406
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