Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2021 Toyota Land Cruiser BaseFACTORY OEM SERVICE PROCEDURE
Audio And Visual System
AUDIO AND VISUAL SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION [08/2015 - 08/2016]
| DTC Code | Description |
|---|---|
| B1324 | Lost Communication with Meter |
| B1551 | HD Radio Tuner Malfunction |
| B1575 | GVIF Disconnected (from EMV/MM Integrated Device to Multi Display) |
| B1579 | Voice Recognition Microphone Disconnected |
| B1585 | USB Device Malfunction |
| B158F | AV Signal Stoppage (Low Battery Voltage) |
| B15A0 | LAN Master Malfunction |
| B15A3 | Stereo Component Amplifier Malfunction |
| B15A6 | Display Malfunction |
| B15B0 | Display Screen Malfunction |
| B15B3 | Radio Tuner Malfunction |
| B15B5 | DVD Changer Malfunction |
| B15B7 | Bluetooth Module Malfunction |
| B15BA | XM Tuner Malfunction |
| B15C2 | Speed Signal Malfunction |
| B15C3 | Speaker Output Short |
| B15D0 | MOST Communication Malfunction |
| B15D3 | Stereo Component Amplifier Disconnected |
| B15D6 | Display Disconnected |
| B15D8 | Monitor Disconnected |
| B15F5 | Air Conditioner ECU Vehicle Information Reading/Writing Processor Malfunction |
| B15F6 | Main Body ECU Vehicle Information Reading/Writing Process Malfunction |
| B15F7 | Certification ECU Vehicle Information Reading/Writing Process Malfunction |
| B15F8 | D-Seat ECU Vehicle Information Reading/Writing Process Malfunction |
| B15FE | XM Tuner Antenna Disconnected |
| B15FF | XM Tuner Antenna Short |
| U0073 | Sending Malfunction (Navigation to APGS) |
| U0100 | Engine ECU Communication |
| U0126 | Steering Sensor Communication |
| U0129 | VSC(ECB)ECU Communication |
| U0130 | Lost Communication with VGRS |
| U0140 | Lost Communication with Main Body ECU |
| U0155 | Lost Communication with Combination Meter |
| U0164 | Air Conditioner ECU Communication |
| U1110 | Lost Communication with Clearance Warning ECU |
AUDIO AND VISUAL SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION [08/2016 - 08/2017]
| DTC Code | Description |
|---|---|
| B1324 | Lost Communication with Meter |
| B1551 | HD Radio Tuner Malfunction |
| B1575 | GVIF Disconnected (from EMV/MM Integrated Device to Multi Display) |
| B1579 | Voice Recognition Microphone Disconnected |
| B1585 | USB Device Malfunction |
| B158F | AV Signal Stoppage (Low Battery Voltage) |
| B15A0 | LAN Master Malfunction |
| B15A3 | Stereo Component Amplifier Malfunction |
| B15A6 | Display Malfunction |
| B15B0 | Display Screen Malfunction |
| B15B3 | Radio Tuner Malfunction |
| B15B5 | DVD Changer Malfunction |
| B15B7 | Bluetooth Module Malfunction |
| B15BA | XM Tuner Malfunction |
| B15C2 | Speed Signal Malfunction |
| B15C3 | Speaker Output Short |
| B15D0 | MOST Communication Malfunction |
| B15D3 | Stereo Component Amplifier Disconnected |
| B15D6 | Display Disconnected |
| B15D8 | Monitor Disconnected |
| B15F5 | Air Conditioner ECU Vehicle Information Reading/Writing Processor Malfunction |
| B15F6 | Main Body ECU Vehicle Information Reading/Writing Process Malfunction |
| B15F7 | Certification ECU Vehicle Information Reading/Writing Process Malfunction |
| B15F8 | D-Seat ECU Vehicle Information Reading/Writing Process Malfunction |
| B15FE | XM Tuner Antenna Disconnected |
| B15FF | XM Tuner Antenna Short |
| U0073 | Sending Malfunction (Navigation to APGS) |
| U0100 | Engine ECU Communication |
| U0126 | Steering Sensor Communication |
| U0129 | VSC(ECB)ECU Communication |
| U0130 | Lost Communication with VGRS |
| U0140 | Lost Communication with Main Body ECU |
| U0155 | Lost Communication with Combination Meter |
| U0164 | Air Conditioner ECU Communication |
| U1110 | Lost Communication with Clearance Warning ECU |
AUDIO AND VISUAL SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION [08/2017 - ]
| DTC Code | Description |
|---|---|
| B1324 | Lost Communication with Meter |
| B1551 | HD Radio Tuner Malfunction |
| GVIF Disconnected (from EMV/MM Integrated Device to Multi Display) | |
| B1579 | Voice Recognition Microphone Disconnected |
| B1585 | USB Device Malfunction |
| B158F | AV Signal Stoppage (Low Battery Voltage) |
| B15A0 | LAN Master Malfunction |
| B15A3 | Stereo Component Amplifier Malfunction |
| B15A6 | Display Malfunction |
| B15B0 | Display Screen Malfunction |
| B15B3 | Radio Tuner Malfunction |
| B15B5 | DVD Changer Malfunction |
| B15B7 | Bluetooth Module Malfunction |
| B15BA | XM Tuner Malfunction |
| B15C2 | Speed Signal Malfunction |
| B15C3 | Speaker Output Short |
| B15D0 | MOST Communication Malfunction |
| B15D3 | Stereo Component Amplifier Disconnected |
| B15D6 | Display Disconnected |
| B15D8 | Monitor Disconnected |
| B15F5 | Air Conditioner ECU Vehicle Information Reading/Writing Processor Malfunction |
| B15F6 | Main Body ECU Vehicle Information Reading/Writing Process Malfunction |
| B15F7 | Certification ECU Vehicle Information Reading/Writing Process Malfunction |
| B15F8 | D-Seat ECU Vehicle Information Reading/Writing Process Malfunction |
| B15FE | XM Tuner Antenna Disconnected |
| B15FF | XM Tuner Antenna Short |
| U0073 | Sending Malfunction (Navigation to APGS) |
| U0100 | Engine ECU Communication |
| U0126 | Steering Sensor Communication |
| U0129 | VSC(ECB)ECU Communication |
| U0130 | Lost Communication with VGRS |
| U0140 | Lost Communication with Main Body ECU |
| U0155 | Lost Communication with Combination Meter |
| U0164 | Air Conditioner ECU Communication |
| U1110 | Lost Communication with Clearance Warning ECU |
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.