Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM100000001O4FO
Model Year Start: 2021 Model: GR Corolla Prod Date Range: [04/2020 -           ]
Title: CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM (for Gasoline Model): RED INDICATOR REMAINS ON; 2021 - 2025 MY Corolla Corolla Hatchback GR Corolla [04/2020 -        ]

RED INDICATOR REMAINS ON

DESCRIPTION

This means that the DCM (telematics transceiver) has detected a malfunction in the safety connect system and stored a DTC or specific vehicle control history (RoB) Code.

PROCEDURE

1.

CHECK DTC

(a) Turn the engine switch off.

(b) Connect the Techstream to the DLC3.

(c) Turn the engine switch on (IG) and wait for 10 seconds or more.

(d) Turn the Techstream on.

(e) Clear the DTCs.

Body Electrical > Telematics > Clear DTCs

(f) Check for DTCs and check that no DTCs are output.

Body Electrical > Telematics > Trouble Codes

OK:

No DTCs are output.

NG

GO TO DIAGNOSTIC TROUBLE CODE CHART 2021 - 2022 MY Corolla Corolla Hatchback GR Corolla [04/2020 - 09/2022]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM (for Gasoline Model): DIAGNOSTIC TROUBLE CODE CHART 2023 MY Corolla Corolla Hatchback GR Corolla [09/2022 - 11/2022]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM (for Gasoline Model): DIAGNOSTIC TROUBLE CODE CHART 2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [11/2022 -        ]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM (for Gasoline Model): DIAGNOSTIC TROUBLE CODE CHART

OK

2.

CHECK VEHICLE OPERATION HISTORY

(a) Check for vehicle control history and note any codes that are output.

Click here 2021 - 2022 MY Corolla Corolla Hatchback GR Corolla [04/2020 - 09/2022]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM (for Gasoline Model): VEHICLE CONTROL HISTORY 2023 MY Corolla Corolla Hatchback GR Corolla [09/2022 - 11/2022]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM (for Gasoline Model): VEHICLE CONTROL HISTORY 2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [11/2022 -        ]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM (for Gasoline Model): VEHICLE CONTROL HISTORY

Result

Proceed to

No vehicle control history is output

A

Any vehicle control history is output

B

B

GO TO VEHICLE CONTROL HISTORY 2021 - 2022 MY Corolla Corolla Hatchback GR Corolla [04/2020 - 09/2022]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM (for Gasoline Model): VEHICLE CONTROL HISTORY 2023 MY Corolla Corolla Hatchback GR Corolla [09/2022 - 11/2022]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM (for Gasoline Model): VEHICLE CONTROL HISTORY 2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [11/2022 -        ]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM (for Gasoline Model): VEHICLE CONTROL HISTORY

A

3.

REPLACE DCM (TELEMATICS TRANSCEIVER)

(a) Replace the DCM (telematics transceiver) with a new one.

Click here 2021 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [04/2020 - 09/2022]; CELLULAR COMMUNICATION: DCM(TELEMATICS TRANSCEIVER): REMOVAL 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; CELLULAR COMMUNICATION: DCM(TELEMATICS TRANSCEIVER): REMOVAL 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]; CELLULAR COMMUNICATION: DCM(TELEMATICS TRANSCEIVER): REMOVAL

NOTICE:

  • The engine switch must be off.
  • Do not exchange the DCM (telematics transceiver) with one from another vehicle.
NEXT

PERFORM DCM ACTIVATION