Home >> Toyota >> 2017 >> 86 Base, Automatic Trans >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Automatic Transmission System [TX6A] - Diagnostic Codes & Circuit Tests >> Automatic Transmission System >> Diagnostic Codes >> DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0122: Lost Communication with Vehicle Dynamics Control Module; DTC U0140: Lost Communication with Body Control Module; DTC U0155: Lost Communication with Instrument Panel Cluster (IPC) Control Module [06/2016 - ] >> Monitor Strategy