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GMC TSB #18NA020

2021 GMC Terrain

TSB Document:

MC-10191189-9999.pdf

Affected Component: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:AIR HANDLER/CHAMBER, DUCTS, AND VALVES

Summary: This technical bulletin provides a procedure to replace the charge air cooler due to moisture getting inside of it and causing a malfunction indicator lamp illuminated with DTC P0300 and/or P0299/P2227.

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Date Published: MAR 18, 2021
NHTSA TSB #: 10191189

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