Title: NETWORKING: CAN COMMUNICATION SYSTEM (for Gasoline Model): DIAGNOSTIC TROUBLE CODE CHART; 2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [03/2023 - ]
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)
U115C87
Lost Communication with ECM/PCM "A" (ch5) Missing Message