| Last Modified: 06-05-2026 | 6.11:8.1.0 | Doc ID: RM100000001H6HW |
| Model Year Start: 2020 | Model: Corolla HV | Prod Date Range: [01/2019 - 09/2022] |
| Title: NETWORKING: LIN COMMUNICATION SYSTEM (for HV Model): DTC CHECK / CLEAR; 2020 - 2022 MY Corolla HV [01/2019 - 09/2022] | ||
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 / Main Body or Smart Key / Trouble Codes.
Body Electrical > Main Body > Trouble Codes
Body Electrical > Smart Key > Trouble Codes
(e) Check the details of the DTCs.
Click here
![2020 - 2022 MY Corolla HV [01/2019 - 09/2022]; NETWORKING: LIN COMMUNICATION 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 / Main Body or Smart Key / Trouble Codes.
Body Electrical > Main Body > Clear DTCs
Body Electrical > Smart Key > Clear DTCs
(e) Clear the DTCs.
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