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Home >> Toyota >> 2025 >> GR86 Base, Automatic Trans >> Repair and Diagnosis (Single Page) >> Body & Frame >> Door Locks >> Keyless Access System - Diagnostic Codes (2 Of 2) & Symptom Tests >> Keyless Access System With Push Button Start >> 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; DTC U0155: Lost Communication With Instrument Panel Cluster (IPC) Control Module; DTC U0401: Invalid Data Received From ECM/PCM "A"; DTC U0416: Invalid Data Received From Vehicle Dynamics Control Module; DTC U0423: Invalid Data Received From Instrument Panel Cluster Control Module; DTC U1140: Lost Communication With Body Control Module BODY-CAN; DTC U1198: Lost Communication with Telematics System; DTC U1422: Invalid Data Received From Body Control Module BODY-CAN [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; DTC U0155: Lost Communication With Instrument Panel Cluster (IPC) Control Module; DTC U0401: Invalid Data Received From ECM/PCM "A"; DTC U0416: Invalid Data Received From Vehicle Dynamics Control Module; DTC U0423: Invalid Data Received From Instrument Panel Cluster Control Module; DTC U1140: Lost Communication With Body Control Module BODY-CAN; DTC U1198: Lost Communication with Telematics System; DTC U1422: Invalid Data Received From Body Control Module BODY-CAN [11/2021 - ]: Description

DTC No. Detection Item DTC Detection Condition
U0074 Control Module Communication Bus "BODY-CAN" Off When bus off is detected 6 times in a row by CAN function complying with ISO 11898.
U0100 Lost Communication With ECM/PCM "A" When reception ID frame is not normally and continuously received for 10 seconds, with ignition switch ON. (Including when frame is abandoned by DLC (data length code) check error)
U0101 Lost Communication With TCM When reception ID frame is not normally and continuously received for 10 seconds, with ignition switch ON. (Including when frame is abandoned by DLC (data length code) check error)
U0122 Lost Communication With Vehicle Dynamics Control Module When reception ID frame is not normally and continuously received for 10 seconds, with ignition switch ON. (Including when frame is abandoned by DLC (data length code) check error)
U0155 Lost Communication With Instrument Panel Cluster (IPC) Control Module When reception ID frame is not normally and continuously received for 10 seconds during CAN bus Wake-up. (Including when frame is abandoned by DLC (data length code) check error)
U0401 Invalid Data Received From ECM/PCM "A" When the following conditions are all established. 
  • Data no-receive DTC of monitored node is not in current malfunction.
  • Fail detection counter of monitored node is not updated 32 times in a row. Or checksum error is detected 3 times in a row.
U0416 Invalid Data Received From Vehicle Dynamics Control Module When the following conditions are all established. 
  • Data no-receive DTC of monitored node is not in current malfunction.
  • Fail detection counter of monitored node is not updated 32 times in a row. Or checksum error is detected 3 times in a row.
U0423 Invalid Data Received From Instrument Panel Cluster Control Module When the following conditions are all established. 
  • Data no-receive DTC of monitored node is not in current malfunction.
  • Fail detection counter of monitored node is not updated 32 times in a row. Or checksum error is detected 3 times in a row.
U1140 Lost Communication With Body Control Module BODY-CAN When reception ID frame is not normally and continuously received for 10 seconds during CAN bus Wake-up. (Including when frame is abandoned by DLC (data length code) check error)
U1198 Lost Communication with Telematics System When reception ID frame is not normally and continuously received for 10 seconds during CAN bus Wake-up. (Including when frame is abandoned by DLC (data length code) check error)
U1422 Invalid Data Received From Body Control Module BODY-CAN When the following conditions are all established. 
  • Data no-receive DTC of monitored node is not in current malfunction.
  • Fail detection counter of monitored node is not updated 32 times in a row.