Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM10000000257IQ
Model Year Start: 2023 Model: Corolla Prod Date Range: [09/2022 -           ]
Title: NETWORKING: CAN COMMUNICATION SYSTEM (for HV Model): DIAGNOSTIC TROUBLE CODE CHART; 2023 - 2025 MY Corolla Corolla HV [09/2022 -        ]

DIAGNOSTIC TROUBLE CODE CHART

Diagnostic Trouble Code Chart

DTC No.

Detection Item

Trouble Area

Link

B102004

Central Gateway ECU System Internal Failure

Central gateway ECU (network gateway ECU)

2023 - 2025 MY Corolla Corolla HV [09/2022 -        ]; NETWORKING: CAN COMMUNICATION SYSTEM (for HV Model): B102004; Central Gateway ECU System Internal Failure

U01BD87

Lost Communication with DC/DC Converter Control Module "C" Missing Message
  • CAN main/branch bus lines or connector
  • Hybrid vehicle control ECU
  • Inverter with converter assembly
  • No. 11 CAN junction connector

2023 - 2025 MY Corolla Corolla HV [09/2022 -        ]; NETWORKING: CAN COMMUNICATION SYSTEM (for HV Model): U01BD87,U115087,U117B87; Lost Communication with DC/DC Converter Control Module "C" Missing Message

U111A87

Lost Communication with ECM/PCM "A" (ch2) Missing Message
  • CAN main/branch bus lines or connector
  • ECM
  • Hybrid vehicle control ECU
  • No. 33 junction connector
  • No. 34 junction connector

2023 - 2025 MY Corolla Corolla HV [09/2022 -        ]; NETWORKING: CAN COMMUNICATION SYSTEM (for HV Model): U111A87,U115087,U115487,U115887,U117008,U117087; Lost Communication with ECM/PCM "A" (ch2) Missing Message

U115087

Lost Communication with Hybrid Powertrain Control Module (ch2) Missing Message
  • CAN main/branch bus lines or connector
  • Battery ECU assembly
  • Hybrid vehicle control ECU
  • No. 11 CAN junction connector

2023 - 2025 MY Corolla Corolla HV [09/2022 -        ]; NETWORKING: CAN COMMUNICATION SYSTEM (for HV Model): U01BD87,U115087,U117B87; Lost Communication with DC/DC Converter Control Module "C" Missing Message

U115087

Lost Communication with Hybrid Powertrain Control Module (ch2) Missing Message
  • CAN main/branch bus lines or connector
  • ECM
  • Skid control ECU (brake actuator assembly)
  • Hybrid vehicle control ECU
  • No. 33 junction connector
  • No. 34 junction connector

2023 - 2025 MY Corolla Corolla HV [09/2022 -        ]; NETWORKING: CAN COMMUNICATION SYSTEM (for HV Model): U111A87,U115087,U115487,U115887,U117008,U117087; Lost Communication with ECM/PCM "A" (ch2) Missing Message

U115487

Lost Communication with Drive Motor Control Module "A" (ch2) Missing Message
  • CAN main/branch bus lines or connector
  • ECM
  • Hybrid vehicle control ECU
  • Inverter with converter assembly
  • No. 33 junction connector
  • No. 34 junction connector

2023 - 2025 MY Corolla Corolla HV [09/2022 -        ]; NETWORKING: CAN COMMUNICATION SYSTEM (for HV Model): U111A87,U115087,U115487,U115887,U117008,U117087; Lost Communication with ECM/PCM "A" (ch2) Missing Message

U115887

Lost Communication with Electronic Brake Booster Control Module "A" (ch2) Missing Message
  • CAN main/branch bus lines or connector
  • Electric brake booster (brake booster with master cylinder assembly)
  • Skid control ECU (brake actuator assembly)
  • No. 33 junction connector
  • No. 34 junction connector

2023 - 2025 MY Corolla Corolla HV [09/2022 -        ]; NETWORKING: CAN COMMUNICATION SYSTEM (for HV Model): U111A87,U115087,U115487,U115887,U117008,U117087; Lost Communication with ECM/PCM "A" (ch2) Missing Message

U117008

Lost Communication with Brake System Control Module (ch2) Bus Signal / Message Failure
  • CAN main/branch bus lines or connector
  • Inverter with converter assembly
  • Skid control ECU (brake actuator assembly)
  • No. 33 junction connector
  • No. 34 junction connector

2023 - 2025 MY Corolla Corolla HV [09/2022 -        ]; NETWORKING: CAN COMMUNICATION SYSTEM (for HV Model): U111A87,U115087,U115487,U115887,U117008,U117087; Lost Communication with ECM/PCM "A" (ch2) Missing Message

U117087

Lost Communication with Brake System Control Module (ch2) Missing Message
  • CAN main/branch bus lines or connector
  • Electric brake booster (brake booster with master cylinder assembly)
  • Skid control ECU (brake actuator assembly)
  • No. 33 junction connector
  • No. 34 junction connector

2023 - 2025 MY Corolla Corolla HV [09/2022 -        ]; NETWORKING: CAN COMMUNICATION SYSTEM (for HV Model): U111A87,U115087,U115487,U115887,U117008,U117087; Lost Communication with ECM/PCM "A" (ch2) Missing Message

U117B87

Lost Communication with Hybrid/EV Battery Energy Control Module "A" (ch2) Missing Message
  • CAN main/branch bus lines or connector
  • Hybrid vehicle control ECU
  • Battery ECU assembly
  • No. 11 CAN junction connector

2023 - 2025 MY Corolla Corolla HV [09/2022 -        ]; NETWORKING: CAN COMMUNICATION SYSTEM (for HV Model): U01BD87,U115087,U117B87; Lost Communication with DC/DC Converter Control Module "C" Missing Message