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GMC TSB #PIT5818

2020 GMC Sierra 2500

TSB Document:

MC-10190424-9999.pdf

Affected Component: VEHICLE SPEED CONTROL

Summary: This Preliminary information communicates an issues will low or poor heater performance on the drivers side.Â Dealers are to inspect the HVAC temperature door linkage and if ok replace the heater core.

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Date Published: MAR 24, 2021
NHTSA TSB #: 10190424

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