Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM1000000026JZR
Model Year Start: 2023 Model: GR Corolla Prod Date Range: [09/2022 - 11/2022]
Title: NETWORKING: CAN COMMUNICATION SYSTEM (for Gasoline Model except TMC Made): DIAGNOSTIC TROUBLE CODE CHART; 2023 MY Corolla Corolla Hatchback GR Corolla [09/2022 - 11/2022]

DIAGNOSTIC TROUBLE CODE CHART

Diagnostic Trouble Code Chart

DTC No.

Detection Item

Trouble Area

Link

B1003

ECU Malfunction

Central gateway ECU (network gateway ECU)

2023 MY Corolla Corolla Hatchback GR Corolla [09/2022 - 11/2022]; NETWORKING: CAN COMMUNICATION SYSTEM (for Gasoline Model except TMC Made): B1003; ECU Malfunction