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Buick TSB #21NA074

2020 Buick Envision

TSB Document:

MC-10192039-9999.pdf

Affected Component: EXTERIOR LIGHTING

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 24, 2021
NHTSA TSB #: 10192039

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