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October 18, 2017 Service bulletin

Electrical system: software

Chevrolet technical service bulletin PIC6265C for 2017-2018 Chevrolet Malibu, 2017-2018 Buick Lacrosse and 2016 Cadillac CT6 and others.

Bulletin number
PIC6265C
Component
Electrical system: software
Summary
This Preliminary information communicates thata 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 372 complaints in the electrical category.

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