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September 11, 2014 Service bulletin

This information bulletin provides a procedure for the technicians to perform a transmission re-learn to...

Chevrolet technical service bulletin 14-07-30-001 for 2015 Chevrolet Corvette, 2015 GMC Yukon and 2015 GMC Yukon XL and others.

Bulletin number
14-07-30-001
Component
Power train: automatic transmission
Summary
This information bulletin provides a procedure for the technicians to perform a transmission re-learn to correct a customer concern of low milage harsh shifting.

Owners of these vehicles have filed 128 complaints in the transmission category.

Vehicles covered

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