Affected Component: ELECTRICAL SYSTEM:SOFTWARE

Date Published
OCT 18, 2017
NHTSA TSB #
10123265
TSB Document
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".