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September 25, 2019 Service bulletin

Electrical system

Chevrolet technical service bulletin PIP4670H for 2014-2020 Chevrolet Malibu, 2014, 2019 Chevrolet Silverado 1500 and 2014-2020 Chevrolet Impala and others.

Bulletin number
PIP4670H
Component
Electrical system
Summary
This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. The Global Architecture electrical system associated with these vehicles does not allow controller swaps between vehicles.

Owners of these vehicles have filed 8,733 complaints in the electrical category.

Vehicles covered

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