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August 5, 2021 Service bulletin

Electrical system

Chevrolet technical service bulletin PIC6265F for 2017-2020 Chevrolet Malibu, 2017-2020 Buick Lacrosse and 2016-2020 Cadillac CT6.

Bulletin number
PIC6265F
Component
Electrical system
Summary
This Preliminary information communicates that a vehicle may exhibit a Adaptive Cruise Control Unavailable and/or Lane Keep Assist Unavailable message. The technician may attempt to program the Active Safety Control Module (ASCM) and encounter a code E4399. The technician is advised if he encounters this concern to zero the MIC counter by placing the vehicle into and back out of "Transport Mode".

Owners of these vehicles have filed 496 complaints in the electrical category.

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