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November 5, 2018 Service bulletin

This technical bulletin provides a procedure for diagnosis of the active noise cancellation system for...

Chevrolet technical service bulletin 18NA255 for 2016-2018 Chevrolet Malibu.

Bulletin number
18NA255
Component
Electrical system
Summary
This technical bulletin provides a procedure for diagnosis of the active noise cancellation system for vehicles with either a low speed/low RPM condition or a high speed/high RPM condition of a loud noise from the Entertainment System due to the ANC module filtering not functioning as intended.

Owners of these vehicles have filed 576 complaints in the electrical category.

Vehicles covered

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