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April 26, 2018 Service bulletin

This technical bulletin provides a procedure to replace the HMI module to correct a condition of Radio...

Chevrolet technical service bulletin 18NA138 for 2018 Chevrolet Malibu, 2018 Chevrolet Impala and 2018 Chevrolet Tahoe and others.

Bulletin number
18NA138
Component
Electrical system
Summary
This technical bulletin provides a procedure to replace the HMI module to correct a condition of Radio Control (ICS) Display Does Not Remain Off at Times after it Has Been Turned Off in the Radio Settings Menu due to a software concern.

Owners of these vehicles have filed 862 complaints in the electrical category.

Vehicles covered

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