Last Modified: 06-05-2026 6.11:8.1.0 Doc ID: RM100000001KTJ0
Model Year Start: 2020 Model: Corolla Prod Date Range: [09/2019 - 04/2020]
Title: TELEMATICS: TELEMATICS SYSTEM (for Hatchback): DTC CHECK / CLEAR; 2020 MY Corolla Corolla Hatchback Corolla HV [09/2019 - 04/2020]

DTC CHECK / CLEAR

1. CHECK DTC

(a) Connect the Techstream to the DLC3.

(b) Turn the engine switch on (IG).

(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 2020 MY Corolla Corolla Hatchback Corolla HV [09/2019 - 04/2020]; TELEMATICS: TELEMATICS SYSTEM (for Hatchback): DIAGNOSTIC TROUBLE CODE CHART

2. CLEAR DTC

(a) Connect the Techstream to the DLC3.

(b) Turn the engine switch on (IG).

(c) Turn the Techstream on.

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

Body Electrical > Telematics > Clear DTCs

(e) Clear the DTCs.