Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM100000001N4PT
Model Year Start: 2021 Model: Corolla Prod Date Range: [04/2020 -           ]
Title: CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM (for HV Model): PROBLEM SYMPTOMS TABLE; 2021 - 2025 MY Corolla Corolla HV [04/2020 -        ]

PROBLEM SYMPTOMS TABLE

HINT:

  • Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
  • Inspect the fuses and relays related to this system before inspecting the suspected areas below.
  • When a symptom indicates that a service is malfunctioning, use the Techstream to check whether the service subscription is active.

    Click here 2021 - 2025 MY Corolla Corolla HV [04/2020 -        ]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM (for HV Model): DATA LIST / ACTIVE TEST

Voice Guidance

Symptom

Suspected Area

Link

"Communication Module failure detected, please contact your dealer" message is played

Diagnostic Trouble Code Chart

(Red Indicator has failed and cannot indicate a failure)

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

"Communication Module Activation Failed" message is played

Contact Telematics Service Provider to verify any network problems

-

Wait for a while, then move to different location and retry (try to find location with better signal reception)

-

Diagnostic Trouble Code Chart

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

"Unable to Connect the Emergency Call Center" or "Unable to Connect to the Call Center" message is played

Wait for a while, then move to different location and retry (try to find location with better signal reception)

-

Perform Vehicle Inquiry on Techstream and verify subscription status

-

Refer to UNABLE TO CONNECT TO CALL CENTER

2021 - 2025 MY Corolla Corolla HV [04/2020 -        ]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM (for HV Model): UNABLE TO CONNECT TO CALL CENTER

"Safety Connect is not active" message is played

Perform Vehicle Inquiry on Techstream and verify subscription status

-

Explain to the customer that the system is in shipping mode, and confirm whether or not they would like to change to active mode

-

Indicator Condition

Symptom

Suspected Area

Link

Green indicator abnormal (Remains OFF)

Refer to GREEN INDICATOR REMAINS OFF

2021 - 2025 MY Corolla Corolla HV [04/2020 -        ]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM (for HV Model): GREEN INDICATOR REMAINS OFF

Red indicator abnormal (Remains ON)

Refer to RED INDICATOR REMAINS ON

2021 - 2025 MY Corolla Corolla HV [04/2020 -        ]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM (for HV Model): RED INDICATOR REMAINS ON

Illumination on the manual (SOS) switch panel does not turn on

Proceed to "Emergency Call Switch Illumination Circuit"

2021 - 2022 MY Corolla Corolla HV [04/2020 - 09/2022]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM (for HV Model): Emergency Call Switch Illumination Circuit 2023 - 2025 MY Corolla Corolla HV [09/2022 -        ]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM (for HV Model): Emergency Call Switch Illumination Circuit

Emergency Call Function

Symptom

Suspected Area

Link

The operator's voice is wavering/choppy during the emergency call

If the customize volume is set to a value larger than the default, set the value to that of the default or lower.

2021 - 2025 MY Corolla Corolla HV [04/2020 -        ]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM (for HV Model): CUSTOMIZE PARAMETERS