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Home >> Toyota >> 2023 >> GR86 Base, Automatic Trans >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> ASC System - Diagnostic Codes >> ASC System >> DTC U0074: Control Module Communication Bus "BODY-CAN" Off; DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0101: Lost Communication with TCM; DTC U0122: Lost Communication with Vehicle Dynamics Control Module [11/2021 - ] >> Description
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DTC U0074: Control Module Communication Bus "BODY-CAN" Off; DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0101: Lost Communication with TCM; DTC U0122: Lost Communication with Vehicle Dynamics Control Module [11/2021 - ]: Description

DTC No. Detection Item DTC Detection Condition
U0074 Control Module Communication Bus "BODY-CAN" Off Detected when CAN line abnormality is detected.
U0100 Lost Communication with ECM / PCM "A" Detected when CAN data from ECM does not arrive.
U0101 Lost Communication with TCM Detected when CAN data from transmission control ECU assembly does not arrive.
U0122 Lost Communication with Vehicle Dynamics Control Module Detected when CAN data from brake actuator assembly does not arrive.