| Last Modified: 06-05-2026 | 6.11:8.1.0 | Doc ID: RM100000001N4LY |
| Model Year Start: 2021 | Model: Corolla HV | Prod Date Range: [04/2020 - ] |
| Title: TELEMATICS: TELEMATICS SYSTEM (for HV Model): DTC CHECK / CLEAR; 2021 - 2026 MY Corolla HV [04/2020 - ] | ||
DTC CHECK / CLEAR
1. CHECK DTC
(a) Connect the Techstream to the DLC3.
(b) Turn the power 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.
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![2021 - 2026 MY Corolla HV [04/2020 - ]; TELEMATICS: TELEMATICS SYSTEM (for HV Model): DIAGNOSTIC TROUBLE CODE CHART](/t3Portal/stylegraphics/info.gif)
2. CLEAR DTC
(a) Connect the Techstream to the DLC3.
(b) Turn the power 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.
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