GMC TSB #20-NA-100

2019 GMC Sierra 1500

TSB Document:

Affected Component: ELECTRICAL SYSTEM

Summary
This informational bulletin provides information for dealers/technicians on Engine Control Module Calibration for T1 L3B Engine with DTC P26BB Set.

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Date Published
AUG 30, 2023
NHTSA TSB #
10242265
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