Audio / Visual Systems - Testing & Troubleshooting

• General Information
  • Audio and Visual System Error Codes (2018 2019 2020 2021 2022 2023 2024)
  • Audio and Visual System Error Codes (2025)
  • Audio and Visual System Most Bus Diagnostics Mode
    • MOST Bus Diagnosis
    • MOST Connector Handling
    • How to Check MOST Bus Condition
  • Audio and Visual System OTA Error Codes (2018 2019 2020 2021 2022 2023 2024)
  • Audio and Visual System OTA Error Codes (With Telematics) (2025)
  • Audio and Visual System OTA Error Codes(Without Telematics) (2025)
  • Telematics System Self-Diagnostic Function (2018 2019 2020 2021 2022 2023 2024)
    • SMS Function Check
  • Telematics System Self-Diagnostic Function (2025)
    • Function Check
• Symptom Troubleshooting Index For Viewer
  • Active noise cancellation does not work (2025)
  • AM radio reception changes at night (Display Audio Type (8-inch Screen)) (2018 2019 2020 2021 2022 2023 2024)
  • AM radio reception changes at night (2025)
  • AM/FM radio display is blank or no station information is displayed (Display Audio Type (8-inch Screen)) (2018 2019 2020 2021 2022 2023 2024)
  • AM/FM radio display is blank or no station information is displayed (2025)
  • Audio disc does not eject (Display Audio Type (8-inch Screen))
  • Audio disc does not load (Display Audio Type (8-inch Screen))
  • Audio disc does not play (Display Audio Type (8-inch Screen))
  • Audio disc skips(Display Audio Type (8-inch Screen))
  • Audio remote-HFL switch does not work properly (audio unit buttons work) (Color Audio Type (5-inch Screen))
  • Audio remote-HFL switch does not work properly (audio unit buttons work) (Display Audio Type (8-inch Screen)) (2018 2019 2020 2021 2022 2023 2024)
  • Audio remote-HFL switch does not work properly (audio unit buttons work) (2025)
  • Audio system sound is weak or distorted (display is normal) (Color Audio Type (5-inch Screen))
  • Audio system sound is weak or distorted (display is normal) (Display Audio Type (8-inch Screen)) (2018 2019 2020 2021 2022 2023 2024)
  • Audio system sound is weak or distorted (display is normal) (2025)
  • Audio unit button does not work (Color Audio Type (5-inch Screen))
  • Audio unit does not exit anti-theft mode (Color Audio Type (5-inch Screen)) (2018 2019 2020 2021 2022)
  • Audio unit does not exit anti-theft mode (2025)
  • Audio unit power will not turn on (No information display) (Color Audio Type (5-inch Screen)) (2018 2019 2020 2021 2022)
  • Audio unit will not turn on (No information display) (2025)
  • Auxiliary input sound is low or cannot be heard (Color Audio Type (5-inch Screen))
  • Auxiliary input sound is low or cannot be heard (Display Audio Type (8-inch Screen))
  • BD player unit does not work
  • Bluetooth audio does not work (Color Audio Type (5-inch Screen))
  • Bluetooth audio does not work (Display Audio Type (8-inch Screen)) (2018 2019 2020 2021 2022 2023 2024)
  • Bluetooth audio does not work (2025)
  • Booming sound while driving with audio unit on or off (Color Audio Type (5-inch Screen))
  • Booming sound while driving with audio unit on or off (Display Audio Type (8-inch Screen))
  • CD player unit does not work (Display Audio Type (8-inch Screen))
  • Cabin watch camera image does not come on (2018 2019 2020 2021 2022 2023 2024)
  • Cabin watch camera image does not come on (2025)
  • CabinTalk does not function (Display Audio Type (8-inch Screen))
  • CabinTalk does not function (2025)
  • CabinTalk voice cannot be heard from wired/wireless headphones (2025)
  • Center display unit button does not work (Display Audio Type (8-inch Screen))
  • Center display unit will not turn on (No information display) (Display Audio Type (8-inch Screen))
  • Center display unit button does not work (2025)
  • Charge-only USB port does not work (Color Audio Type (5-inch Screen))
  • Charge-only USB port does not work (Display Audio Type (8-inch Screen))
  • Charge-only USB port does not work (2025)
  • Clock will not set to correct time (2025)
  • Error code: Check Antenna is displayed (Display Audio Type (8-inch Screen))
  • Excessive transition between analog broadcast and digital HD Radio (TM) broadcast (Display Audio Type (8-inch Screen)) (2018 2019 2020 2021 2022 2023 2024)
  • Excessive transition between analog broadcast and digital HD Radio(TM) broadcast (2025)
  • HD Radio (TM) changes HD channel on its own (Display Audio Type (8-inch Screen)) (2018 2019 2020 2021 2022 2023 2024)
  • HD Radio (TM) changes HD channel on its own (2025)
  • HDMI device does not function (2018 2019 2020 2021 2022 2023 2024)
  • HDMI device does not function (2025)
  • HDS does not communicate with the vehicle and the telematics control unit
  • HFL does not work properly (Color Audio Type (5-inch Screen))
  • HFL does not work properly (Display Audio Type (8-inch Screen))
  • IR lights do not illuminate when cabin watch camera is used
  • Infotainment control unit does not exit anti-theft mode (Display Audio Type (8-inch Screen))
  • Microphone does not recognize driver's or front passenger's voice (Display Audio Type (8-inch Screen)) (2018 2019 2020 2021 2022 2023 2024)
  • Microphone does not recognize driver's or front passenger's voice (2025)
  • NFC does not function (Display Audio Type (8-inch Screen))
  • No GNSS reception or interference (2025)
  • No GPS reception or interference (Display Audio Type (8-inch Screen))
  • No sound is heard from all the speakers (display is normal) (Color Audio Type (5-inch Screen))
  • No sound is heard from all the speakers (display is normal) (Display Audio Type (8-inch Screen)) (2018 2019 2020 2021 2022 2023 2024)
  • No sound is heard from all the speakers (display is normal) (2025)
  • OTA update failure (Display Audio Type (8-inch Screen))
  • Pandora is not is displayed as an audio source (Display Audio Type (8-inch Screen))
  • Poor or no sound with AM/FM radio (Color Audio Type (5-inch Screen))
  • Poor or no sound with AM/FM radio (Display Audio Type (8-inch Screen))
  • RES disc does not eject
  • RES disc does not load
  • RES disc does not play
  • RES disc skips
  • RES screen will not turn on (No information display)
  • Radio preset memory is lost (Color Audio Type (5-inch Screen))
  • Rearview camera image does not change when selecting different views (Color Audio Type (5-inch Screen))
  • Rearview camera image does not change when selecting different views (Display Audio Type (8-inch Screen))
  • Rearview camera image does not come on (Color Audio Type (5-inch Screen))
  • Rearview camera image does not come on (Display Audio Type (8-inch Screen))
  • System always comes up in-line diagnostic mode (Display Audio Type (8-inch Screen))
  • Telematics prompts or operator voice is weak or cannot be heard
  • Telematics services do not work
  • The MID does not display the audio system information (Display Audio Type (8-inch Screen))
  • USB data communication port does not work (Color Audio Type (5-inch Screen))
  • USB data communication port does not work (Display Audio Type (8-inch Screen))
  • Volume does not increase with speed (Color Audio Type (5-inch Screen))
  • Volume is too high or too low when driving at freeway speeds (Color Audio Type (5-inch Screen))
  • Wired headphones does not work properly
  • Wireless headphones does not work properly
  • Wireless remote control does not work
  • XM radio display is blank and no station information is displayed (Display Audio Type (8-inch Screen))
• Diagnosis
  • Audio and Visual System Diagnostic Mode (Color Audio Type (5-inch Screen)) (2018 2019 2020 2021 2022)
    • Start-Up Procedure and Diagnostic Menu
    • How to Obtain the Audio Unit Serial Number
    • Version/System
    • Audio
    • Display
    • Camera
    • Connection
    • Vehicle Information
  • Audio and Visual System Diagnostic Mode (Display Audio Type (8-inch Screen)) (2018 2019 2020 2021 2022 2023 2024)
    • Notes
    • Start-Up Procedure and Diagnostic Menu
    • Self-Diagnosis Mode (System Links)
    • Factory Diagnostic Screen In Line Diag and Linking
    • Forced Completing of In Line Diag and Linking
    • Detail Information and Setting
    • Monitor Check
    • Unit Check (Quick Check)
    • Audio Check
    • Guideline Setup
    • Functional Setup
    • Save User Memory
    • CB SW/HW Traceability
    • Bootloader Info
    • Hardware Auto-Detect
    • Temperature
    • OTA DTC
  • Audio and Visual System Sound Quality Diagnosis (2018 2019 2020 2021 2022 2023 2024)
    • Notes
    • Left/Right Channel ID
    • Phase Test
    • Electrical Noise Test
    • Individual Speaker Test
    • Sound Balance Test
    • Frequency Sweep
    • Sound Judging
• DTC Troubleshooting Index
  • Telematics System DTC Troubleshooting Index (2018 2019 2020 2021 2022 2023 2024)
  • Telematics System DTC Troubleshooting Index (2025)
• How To Information
  • How to Troubleshoot the Audio and Visual System
    • General Operation
    • Anti-Theft Feature
    • Symptom Duplication
    • LCD Unit Limitations (Display Audio Type)
    • Global Positioning System (GPS) Limitations (Display Audio Type)
    • Navigation Symptom Diagnosis (With Navigation)
    • HandsFreeLink Symptom Diagnosis
    • Lever-Locked Connector
    • How to Check Error History (Audio and Visual System DTCs)
  • How to Troubleshoot the Telematics System
    • How to Check for DTCs with the HDS
    • How to Check for DTCs without the HDS
      • Using Voice Prompt
      • Using System Diagnostic Mode
    • How to Check for Telematics Subscription Status
    • Telematics System Status Indicator
    • Lighting Pattern for Telematics System Status Indicator
• Component Location Index
  • Audio and Visual System Component Location Index (2018 2019 2020 2021 2022 2023 2024)
  • Audio and Visual System Component Location Index (2025)
  • Audio and Visual System Component Location Index (Blind Spot Information (BSI) System) (2018 2019 2020 2021 2022 2023 2024)
  • Audio and Visual System Component Location Index (Color Audio Type (5-inch Screen))
  • Audio and Visual System Component Location Index (Display Audio Type (8-inch Screen)) (2018)
  • Audio and Visual System Component Location Index (Display Audio Type (8-inch Screen)) (2021 2022 2023 2024 2025)
  • Rear Entertainment System Component Location Index (2018 2019 2020 2021 2022 2023 2024)
  • Rear Entertainment System Component Location Index (2025)
  • Telematics System Component Location Index
  • Telematics System Component Location Index (2018 2019 2020 2021 2022 2023 2024)
• Description & Operation
  • Audio and Visual System Description
    • System Diagram (Color Audio Type (5-inch Screen))
    • System Diagram (Display Audio Type (8-inch Screen)) (2018)
    • System Diagram (Display Audio Type (8-inch Screen)) (2019 2020)
    • System Diagram (Display Audio Type (8-inch Screen)) (2021 2022 2023 2024 2025)
    • (Color Audio Type (5-inch Screen)) (2018)
    • (Color Audio Type (5-inch Screen)) (2019 2020 2021 2022 2023 2024 2025)
    • (Display Audio Type (8-inch Screen)) (2018)
    • (Display Audio Type (8-inch Screen)) (2019 2020 2021 2022 2023 2024 2025)
  • Rear Entertainment System Description
    • Notes
    • Rear Entertainment System Description - System Diagram
  • Telematics System Description
    • Notes
    • Telematics System Description - System Diagram
• Repair Procedures, Tests
  • Window Antenna Repair
    • Reconditioning
• Replacement
  • Wireless Headphone Battery Replacement
    • Replacement
  • Wireless Remote Control Battery Replacement
    • Replacement
• Connector View
  • ANC/Active Sound Control Microphone Connector for Inputs and Outputs (2018 2019 2020 2021 2022 2023 2024)
  • ANC/Active Sound Control Microphone Connector for Inputs and Outputs (2025)
  • ANC/Active Sound Control Unit Connector for Inputs and Outputs (2018 2019 2020 2021 2022 2023 2024)
  • ANC/Active Sound Control Unit Connector for Inputs and Outputs (2025)
  • Audio Unit Connector for Inputs and Outputs (2018)
  • Audio Unit Connector for Inputs and Outputs (2019 2020 2021 2022 2023 2024)
  • Audio Unit Connector for Inputs and Outputs (2025)
  • Auxiliary Jack Assembly Connector for Inputs and Outputs
  • BD Player Unit Connector for Inputs and Outputs
  • CD Player Unit Connector for Inputs and Outputs
  • Cabin Watch Camera Connector for Inputs and Outputs
  • Center Display Unit Connector for Inputs and Outputs (2018 2019 2020 2021 2022 2023 2024)
  • Center Display Unit Connector for Inputs and Outputs (2025)
  • Infotainment Control Unit Connector for Inputs and Outputs
  • Near Field Communication Unit Connector for Inputs and Outputs
  • Rear Controller and Screen Connector for Inputs and Outputs (2025)
  • Rear Entertainment System (RES) Auxiliary Jack Assembly Connector for Inputs and Outputs (2018 2019 2020 2021 2022 2023 2024)
  • Rear Entertainment System (RES) Auxiliary Jack Assembly Connector for Inputs and Outputs (2025)
  • Rear Entertainment System (RES) Control Unit Connector for Inputs and Outputs
  • Rear Entertainment System (RES) Screen Connector for Inputs and Outputs
  • Rearview Camera Connector for Inputs and Outputs (2018 2019 2020)
  • Rearview Camera Connector for Inputs and Outputs (2025)
  • Rearview Camera Connector for Inputs and Outputs (2021 2022 2023 2024)
  • Stereo Amplifier Connector for Inputs and Outputs (2018 2019 2020 2021 2022 2023 2024)
  • Stereo Amplifier Connector for Inputs and Outputs (2025)
  • Telematics Control Unit Connector for Inputs and Outputs (2018 2019 2020 2021 2022 2023 2024)
  • Telematics Control Unit Connector for Inputs and Outputs (2025)
  • Tuner Unit Connector for Inputs and Outputs (2018 2019 2020 2021 2022 2023 2024)
  • Tuner Unit Connector for Inputs and Outputs (2025)
  • Tuner-Amplifier Unit Connector for Inputs and Outputs
  • USB Charger Unit Connector for Inputs and Outputs (2018 2019 2020)
  • USB Charger Unit Connector for Inputs and Outputs (2021 2022 2023 2024)
  • USB Charger Unit Connector for Inputs and Outputs (2025)
• Circuit Diagram
  • Audio and Visual System Circuit Diagram(Color Audio Type (5-inch Screen)) (2018)
  • Audio and Visual System Circuit Diagram(Color Audio Type (5-inch Screen)) (2019 2020 2021 2022 2023 2024 2025)
  • Audio and Visual System Circuit Diagram(Display Audio Type (8-inch Screen) with 11 Speakers) (2018)
  • Audio and Visual System Circuit Diagram (Display Audio Type (8-inch Screen) with 11 Speakers) (2019 2020)
  • Audio and Visual System Circuit Diagram (Display Audio Type (8-inch Screen) with 11 Speakers) (2021 2022 2023 2024 2025)
  • Audio and Visual System Circuit Diagram (Display Audio Type (8-inch Screen) with 7 Speakers) (2018)
  • Audio and Visual System Circuit Diagram (Display Audio Type (8-inch Screen) with 7 Speakers) (2019 2020)
  • Audio and Visual System Circuit Diagram (Display Audio Type (8-inch Screen) with 7 Speakers) (2021 2022 2023 2024 2025)
  • Audio and Visual System Circuit Diagram (With 11 Speakers) (2025)
  • Audio and Visual System Circuit Diagram (With 7 Speakers) (2025)
• Symptom Troubleshooting
  • Audio and Visual System Symptom Troubleshooting - Audio remote-HFL switch does not work properly (audio unit buttons work) (Color Audio Type (5-inch Screen))
  • Audio and Visual System Symptom Troubleshooting - Audio remote-HFL switch does not work properly (audio unit buttons work) (Display Audio Type (8-inch Screen))