This Preliminary information communicates the technician for vehicles built with adaptive cruise control RPO (KSG) from start of production build up to 6/1/2016 getting a Adaptive Cruise Control Temporarily Unavailable Message with no diagnostic trouble codes Stored, there was a Long Range Radar software error that occurred that prevented the proper recording of the Long Range Radar alignment angles. Information regarding GDS2 data to review for possible alignment angle reading yes and if so to perform the Radar Sensor Module - Long Range Calibration, refer to SI (Service Information) for the calibration procedure.
