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February 28, 2023 Service bulletin

Voluntary Emission Recall

Chevrolet technical service bulletin A232398131 for 2023 Chevrolet Trailblazer and 2023 Buick Encore GX.

Bulletin number
A232398131
Component
Engine and engine cooling: exhaust system: emission control
Summary
Voluntary Emission Recall - certain vehicles with a 1.2L engine (RPO LIH). These vehicles may have been built with an incorrect catalytic converter part that does not meet all emission system requirements. Dealers are to inspect the catalytic converter and replace if the correct part was not installed.

Owners of these vehicles have filed 28 complaints in the engine category.

Vehicles covered

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