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November 17, 2021 Service bulletin

This engineering information (EI) is requesting information from technicians to perform the check list...

Chevrolet technical service bulletin PIE0662A for 2021-2022 Chevrolet Tahoe, 2021-2022 Chevrolet Suburban and 2021-2022 GMC Yukon and others.

Bulletin number
PIE0662A
Component
Engine and engine cooling: exhaust system: emission control
Summary
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Reductant Tank Temperature Sensor Performance and/or Service Emissions System Message on Driver Information Center (DIC), DTC P205B Set.

Owners of these vehicles have filed 1,276 complaints in the engine category.

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