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July 23, 2019 Service bulletin

Electrical system

Cadillac technical service bulletin PIC6355A for 2016, 2019 Cadillac CT6 and 2017-2018 Cadillac Ct6 Plug-In Hybrid.

Bulletin number
PIC6355A
Component
Electrical system
Summary
This Preliminary Information communication provides information to the technician about how to diagnosis a battery draw that may be caused by a module back feeding voltage in the ignition relay circuits making the vehicle think it is still awake.

Owners of these vehicles have filed 3 complaints in the electrical category.

Vehicles covered

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