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November 1, 2012 Service bulletin

Chevrolet: information provided regarding the reprogramming procedure for the engine control module (ECM)...

Chevrolet technical service bulletin SB-12273 for 2013 Chevrolet Sonic.

Bulletin number
SB-12273
Component
Power train: manual transmission
Summary
Chevrolet: information provided regarding the reprogramming procedure for the engine control module (ECM) where incorrect calibration causes limit engine power after engine installation. Model 2013 sonic

Owners of these vehicles have filed 38 complaints in the transmission category.

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