Last Modified: 06-05-2026 6.11:8.1.0 Doc ID: RM100000001CKQ9
Model Year Start: 2019 Model: Corolla Prod Date Range: [06/2018 -           ]
Title: M20A-FKS (BATTERY / CHARGING): CHARGING SYSTEM: DTC CHECK / CLEAR; 2019 - 2026 MY Corolla Corolla Hatchback [06/2018 -        ]

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: Powertrain / Engine / Trouble Codes.

Powertrain > Engine > Trouble Codes

(e) Check the details of the DTCs.

Click here 2019 - 2020 MY Corolla Corolla Hatchback [06/2018 - 03/2019]; M20A-FKS (BATTERY / CHARGING): CHARGING SYSTEM: DIAGNOSTIC TROUBLE CODE CHART 2020 - 2022 MY Corolla Corolla Hatchback [03/2019 - 09/2022]; M20A-FKS (BATTERY / CHARGING): CHARGING SYSTEM: DIAGNOSTIC TROUBLE CODE CHART 2023 - 2026 MY Corolla Corolla Hatchback [09/2022 -        ]; M20A-FKS (BATTERY / CHARGING): CHARGING SYSTEM: 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: Powertrain / Engine / Trouble Codes.

(e) Clear the DTCs.

Powertrain > Engine > Clear DTCs