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May 19, 2022 Service bulletin

Certain vehicles may not have the Integrated Brake Assist communication turned on due to an incorrect...

Chevrolet technical service bulletin N212355740 for 2021-2022 Chevrolet Blazer.

Bulletin number
N212355740
Component
Engine and engine cooling: engine: engine control module (ecu/ECM): software
Summary
Certain vehicles may not have the Integrated Brake Assist communication turned on due to an incorrect calibration. Dealers will reprogram the ECM.

Owners of these vehicles have filed 63 complaints in the engine category.

Vehicles covered

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