LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2023 >> GR86 Base, Automatic Trans >> Repair and Diagnosis (Single Page) >> Brakes >> Mechanical - Hydraulic >> Electronically Controlled Brake System - Diagnostic Codes, Symptom Tests & Circuit Tests >> Electronically Controlled Brake System >> DTC U0073: Control Module Communication Bus Off; DTC U0079: Control Module Communication Bus "G" Off; DTC U0100: Lost Communication With ECM/PCM "A"; DTC U0101: Lost Communication With TCM; DTC U0126: Lost Communication With Steering Angle Sensor Module; DTC U0140: Lost Communication With Body Control Module; DTC U0146: Lost Communication With Serial Data Gateway Module "A"; 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 U0422: Invalid Data Received From Body Control Module; DTC U0423: Invalid Data Received From Instrument Panel Cluster Control Module; DTC U0428: Invalid Data Received From Steering Angle Sensor Module; DTC U1235: Lost Communication With EyeSight; DTC U1433: Invalid Data Received From EyeSight; DTC U1C00: Invalid Authentication Data Received From Gateway; DTC U1C07: Invalid Authentication Data Received From ECM/PCM PU-Bus; DTC U1C0C: Invalid Authentication Data Received From Eyesight PU-Bus; DTC U1C0F: Invalid Authentication Data Received From Steering Angle Sensor Module CH-Bus; DTC U1E00: Lost Communication of Authentication Data With Gateway "A" PU-Bus [11/2021 - ] >> Description
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC U0073: Control Module Communication Bus Off; DTC U0079: Control Module Communication Bus "G" Off; DTC U0100: Lost Communication With ECM/PCM "A"; DTC U0101: Lost Communication With TCM; DTC U0126: Lost Communication With Steering Angle Sensor Module; DTC U0140: Lost Communication With Body Control Module; DTC U0146: Lost Communication With Serial Data Gateway Module "A"; 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 U0422: Invalid Data Received From Body Control Module; DTC U0423: Invalid Data Received From Instrument Panel Cluster Control Module; DTC U0428: Invalid Data Received From Steering Angle Sensor Module; DTC U1235: Lost Communication With EyeSight; DTC U1433: Invalid Data Received From EyeSight; DTC U1C00: Invalid Authentication Data Received From Gateway; DTC U1C07: Invalid Authentication Data Received From ECM/PCM PU-Bus; DTC U1C0C: Invalid Authentication Data Received From Eyesight PU-Bus; DTC U1C0F: Invalid Authentication Data Received From Steering Angle Sensor Module CH-Bus; DTC U1E00: Lost Communication of Authentication Data With Gateway "A" PU-Bus [11/2021 - ]: Description

DTC No. Detection Item
U0073 Control Module Communication Bus Off
U0079 Control Module Communication Bus "G" Off
U0100 Lost Communication With ECM/PCM "A"
U0101 Lost Communication With TCM
U0126 Lost Communication With Steering Angle Sensor Module
U0140 Lost Communication With Body Control Module
U0146 Lost Communication With Serial Data Gateway Module "A"
U0155 Lost Communication With Instrument Panel Cluster (IPC) Control Module
U0401 Invalid Data Received From ECM/PCM "A"
U0402 Invalid Data Received From TCM
U0422 Invalid Data Received From Body Control Module
U0423 Invalid Data Received From Instrument Panel Cluster Control Module
U0428 Invalid Data Received From Steering Angle Sensor Module
U1235 Lost Communication With EyeSight
U1433 Invalid Data Received From EyeSight
U1C00 Invalid Authentication Data Received From Gateway
U1C07 Invalid Authentication Data Received From ECM/PCM PU-Bus
U1C0C Invalid Authentication Data Received From Eyesight PU-Bus
U1C0F Invalid Authentication Data Received From Steering Angle Sensor Module CH-Bus
U1E00 Lost Communication of Authentication Data With Gateway "A" PU-Bus