Last Modified: 06-05-2026 6.11:8.1.0 Doc ID: RM100000001LF5G
Model Year Start: 2020 Model: Corolla Prod Date Range: [09/2019 - 04/2020]
Title: CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM (for Sedan, Gasoline Model): DTC CHECK / CLEAR; 2020 MY Corolla Corolla Hatchback [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 the details of the DTC(s).

Click here 2020 MY Corolla Corolla Hatchback [09/2019 - 04/2020]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM (for Sedan, Gasoline Model): 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 / Trouble Codes.

Body Electrical > Telematics > Clear DTCs

(e) Clear the DTCs.