Last Modified: 08-21-2023 6.11:8.1.0 Doc ID: RM100000001PY4H
Model Year Start: 2021 Model: Avalon HV Prod Date Range: [08/2020 -           ]
Title: CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM: RED INDICATOR REMAINS ON; 2021 - 2022 MY Avalon Avalon HV [08/2020 -        ]

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 ignition switch off.

(b) Connect the GTS to the DLC3.

(c) Turn the ignition switch to ON and wait for 10 seconds or more.

(d) Turn the GTS 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

OK

2.

CHECK VEHICLE CONTROL HISTORY

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

Click here 2021 - 2022 MY Avalon Avalon HV [08/2020 -        ]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM: 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

A

3.

REPLACE DCM (TELEMATICS TRANSCEIVER)

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

Click here 2021 - 2022 MY Avalon Avalon HV [08/2020 -        ]; CELLULAR COMMUNICATION: DCM(TELEMATICS TRANSCEIVER): REMOVAL

NOTICE:

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

PERFORM DCM ACTIVATION