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Home >> Toyota >> 2025 >> GR86 Base, Automatic Trans >> Repair and Diagnosis (Single Page) >> Restraints >> Air Bag, SRS >> Airbag System - Diagnostic Codes (3 Of 3) & Symptom Tests >> Airbag System >> DTC U0073: Control Module Communication Bus Off; DTC U0100: Lost Communication with ECM/PCM "A"; DTC U0101: Lost Communication With TCM; DTC U0122: Lost Communication with Vehicle Dynamics Control Module; DTC U0128: Lost Communication With Park Brake Control Module; DTC U0140: Lost Communication With Body Control Module; DTC U0155: Lost Communication with Instrument Panel Cluster (IPC) Control Module; DTC U0401: Invalid Data Received From ECM/PCM "A"; DTC U0402: Invalid Data Received From TCM; DTC U0416: Invalid Data Received From Vehicle Dynamics Control Module; DTC U0417: Invalid Data Received From Park Brake Control Module; DTC U0422: Invalid Data Received From Body Control Module; DTC U0423: Invalid Data Received From Instrument Panel Cluster (IPC) Control Module [11/2021 - ] >> Description
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DTC U0073: Control Module Communication Bus Off; DTC U0100: Lost Communication with ECM/PCM "A"; DTC U0101: Lost Communication With TCM; DTC U0122: Lost Communication with Vehicle Dynamics Control Module; DTC U0128: Lost Communication With Park Brake Control Module; DTC U0140: Lost Communication With Body Control Module; DTC U0155: Lost Communication with Instrument Panel Cluster (IPC) Control Module; DTC U0401: Invalid Data Received From ECM/PCM "A"; DTC U0402: Invalid Data Received From TCM; DTC U0416: Invalid Data Received From Vehicle Dynamics Control Module; DTC U0417: Invalid Data Received From Park Brake Control Module; DTC U0422: Invalid Data Received From Body Control Module; DTC U0423: Invalid Data Received From Instrument Panel Cluster (IPC) Control Module [11/2021 - ]: Description

DTC No. Detection Item DTC Detection Condition
U0073 Control Module Communication Bus Off Detected when malfunction occurs in CAN line.
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 TCM does not arrive.
U0122 Lost Communication with Vehicle Dynamics Control Module Detected when CAN data from skid control ECU (brake actuator assembly) does not arrive.
U0128 Lost Communication With Park Brake Control Module Detected when CAN data from skid control ECU (brake actuator assembly) does not arrive.
U0140 Lost Communication With Body Control Module Detected when CAN data from main body ECU (multiplex network body ECU) does not arrive.
U0155 Lost Communication with Instrument Panel Cluster (IPC) Control Module Detected when CAN data from combination meter assembly does not arrive.
U0401 Invalid Data Received From ECM/PCM "A" Detected when CAN data from ECM is abnormal.
U0402 Invalid Data Received From TCM This is detected when CAN data from TCM is abnormal.
U0416 Invalid Data Received From Vehicle Dynamics Control Module Detected when CAN data from skid control ECU (brake actuator assembly) is abnormal.
U0417 Invalid Data Received From Park Brake Control Module Detected when CAN data from skid control ECU (brake actuator assembly) is abnormal.
U0422 Invalid Data Received From Body Control Module Detected when CAN data from main body ECU (multiplex network body ECU) is abnormal.
U0423 Invalid Data Received From Instrument Panel Cluster (IPC) Control Module Detected when CAN data from combination meter assembly is abnormal.
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