0809320

Flash: Adaptive Cruise Control (ACC) Updates This bulletin involves reprogramming the ACC module with the latest software available. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technicianmay find the following Diagnostic Trouble Code (DTC)U148A-86 - Implausible Data Received From Driver Assistance System Module (DASM) Signal Invalid. The customer may describe the following:Instrument Panel Cluster (IPC) disable icon switches on warnings for the ForwardCollision Warning (FCW) informing the driver ?Heads-up Warning Array (HWA) Unavailable Service Required?.The system starts working again automatically after a few seconds and/or up to 5 minutes.