Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM100000001LF5D
Model Year Start: 2020 Model: GR Corolla Prod Date Range: [09/2019 - 04/2020]
Title: CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM (for Sedan, Gasoline Model): PROBLEM SYMPTOMS TABLE; 2020 MY Corolla Corolla Hatchback GR Corolla [09/2019 - 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.

Voice Guidance

Symptom

Suspected Area

Link

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

Refer to HEALTH CHECK

2020 MY Corolla Corolla Hatchback GR Corolla [09/2019 - 04/2020]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM (for Sedan, Gasoline Model): HEALTH CHECK

Diagnostic Trouble Code Chart

(Red Indicator has failed and cannot indicate a failure)

2020 MY Corolla Corolla Hatchback GR Corolla [09/2019 - 04/2020]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM (for Sedan, Gasoline 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)

-

Refer to HEALTH CHECK

2020 MY Corolla Corolla Hatchback GR Corolla [09/2019 - 04/2020]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM (for Sedan, Gasoline Model): HEALTH CHECK

Diagnostic Trouble Code Chart

2020 MY Corolla Corolla Hatchback GR Corolla [09/2019 - 04/2020]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM (for Sedan, Gasoline 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

2020 MY Corolla Corolla Hatchback GR Corolla [09/2019 - 04/2020]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM (for Sedan, Gasoline 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 deactive 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 DCM POWER SOURCE CIRCUIT

2020 MY Corolla Corolla Hatchback GR Corolla [09/2019 - 04/2020]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM (for Sedan, Gasoline Model): DCM POWER SOURCE CIRCUIT

Refer to GREEN INDICATOR REMAINS OFF

2020 MY Corolla Corolla Hatchback GR Corolla [09/2019 - 04/2020]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM (for Sedan, Gasoline Model): GREEN INDICATOR REMAINS OFF

Red indicator abnormal (Remains ON)

Refer to RED INDICATOR REMAINS ON

2020 MY Corolla Corolla Hatchback GR Corolla [09/2019 - 04/2020]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM (for Sedan, Gasoline Model): RED INDICATOR REMAINS ON

Green and red indicators abnormal (Remains OFF)

Refer to GREEN AND RED INDICATORS DO NOT COME ON WHEN IG-ON

2020 MY Corolla Corolla Hatchback GR Corolla [09/2019 - 04/2020]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM (for Sedan, Gasoline Model): GREEN AND RED INDICATORS DO NOT COME ON WHEN IG-ON

Refer to DCM POWER SOURCE CIRCUIT

2020 MY Corolla Corolla Hatchback GR Corolla [09/2019 - 04/2020]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM (for Sedan, Gasoline Model): DCM POWER SOURCE CIRCUIT

DCM (Telematics Transceiver)

2020 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2019 - 04/2020]; CELLULAR COMMUNICATION: DCM(TELEMATICS TRANSCEIVER): REMOVAL

Green and red indicators blink simultaneously

Refer to GREEN AND RED INDICATORS BLINK SIMULTANEOUSLY

2020 MY Corolla Corolla Hatchback GR Corolla [09/2019 - 04/2020]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM (for Sedan, Gasoline Model): GREEN AND RED INDICATORS BLINK SIMULTANEOUSLY