Last Modified: 06-05-2026 6.11:8.1.0 Doc ID: RM100000001O4EP
Model Year Start: 2021 Model: GR Corolla Prod Date Range: [04/2020 -           ]
Title: TELEMATICS: TELEMATICS SYSTEM (for Gasoline Model): DTC CHECK / CLEAR; 2021 - 2026 MY GR Corolla Corolla Corolla Hatchback [04/2020 -        ]

DTC CHECK / CLEAR

1. CHECK DTC

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to On.

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / Telematics / Trouble Codes.

Body Electrical > Telematics > Trouble Codes

(e) Check for DTCs.

Click here 2021 - 2022 MY Corolla Corolla Hatchback [04/2020 - 09/2022]; TELEMATICS: TELEMATICS SYSTEM (for Gasoline Model): DIAGNOSTIC TROUBLE CODE CHART 2023 MY GR Corolla Corolla Corolla Hatchback [09/2022 - 11/2022]; TELEMATICS: TELEMATICS SYSTEM (for Gasoline Model): DIAGNOSTIC TROUBLE CODE CHART 2023 - 2026 MY GR Corolla Corolla Corolla Hatchback [11/2022 -        ]; TELEMATICS: TELEMATICS SYSTEM (for Gasoline Model): DIAGNOSTIC TROUBLE CODE CHART

2. CLEAR DTC

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to On.

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / Telematics / Clear DTCs.

Body Electrical > Telematics > Clear DTCs

(e) Clear the DTCs.