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.
2020 Lexus UX 200 BaseFACTORY OEM SERVICE PROCEDURE
Audio And Visual System
AUDIO AND VISUAL SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION [10/2018 - 10/2019]
| DTC Code | Description |
|---|---|
| B1323 | Lost Communication with Haptic Device |
| B1324 | Lost Communication with Meter |
| B1325 | Lost Communication with HUD |
| B1326 | Lost Communication with Clock Device (Local-CAN) |
| B1551 | HD Radio Tuner Malfunction |
| B1559 | Touch Pad Sensor Malfunction |
| B155A | Touch Pad Vibration Driver Malfunction |
| B155B | Touch Pad Memory Module 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 |
| B15B4 | CD Changer Malfunction |
| B15B5 | DVD Changer Malfunction |
| B15B7 | Bluetooth Module Malfunction |
| B15BA | XM Tuner Malfunction |
| B15C0 | GPS Antenna Connection Malfunction (short) |
| B15C1 | GPS Antenna Connection Malfunction (break) |
| B15C3 | Speaker Output Short |
| B15D0 | MOST Communication Malfunction |
| B15D3 | Stereo Component Amplifier Disconnected |
| B15D6 | Display Disconnected |
| B15D9 | Operation Panel Disconnected |
| B15DB | Telematics Transceiver 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 |
| C1622 | Back Camera Disconnected |
| U0073 | Sending Malfunction (Navigation to APGS) |
| U0100 | Engine ECU Communication |
| U0129 | VSC (ECB) ECU Communication |
| U0140 | Lost Communication with Body Control Module |
| U0155 | Meter ECU Communication |
| U0164 | Air Conditioner ECU Communication |
| U0198 | Lost Communication with Telematic Control Module |
| U0265 | Lost Communication with Image Processing Sensor A |
| U0293 | HV ECU Communication |
| U1110 | Clearance Sonar ECU Communication |
AUDIO AND VISUAL SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION [10/2019 - 07/2022]
| DTC Code | Description |
|---|---|
| B1323 | Lost Communication with Haptic Device |
| B1324 | Lost Communication with Meter |
| B1325 | Lost Communication with HUD |
| B1326 | Lost Communication with Clock Device (Local-CAN) |
| B1551 | HD Radio Tuner Malfunction |
| B1559 | Touch Pad Sensor Malfunction |
| B155A | Touch Pad Vibration Driver Malfunction |
| B155B | Touch Pad Memory Module 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 |
| B15B4 | CD Changer Malfunction |
| B15B5 | DVD Changer Malfunction |
| B15B7 | Bluetooth Module Malfunction |
| B15BA | XM Tuner Malfunction |
| B15C0 | GPS Antenna Connection Malfunction (short) |
| B15C1 | GPS Antenna Connection Malfunction (break) |
| B15C3 | Speaker Output Short |
| B15D0 | MOST Communication Malfunction |
| B15D3 | Stereo Component Amplifier Disconnected |
| B15D6 | Display Disconnected |
| B15D9 | Operation Panel Disconnected |
| B15DB | Telematics Transceiver 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 |
| C1622 | Back Camera Disconnected |
| U0073 | Sending Malfunction (Navigation to APGS) |
| U0100 | Engine ECU Communication |
| U0129 | VSC (ECB) ECU Communication |
| U0140 | Lost Communication with Body Control Module |
| U0155 | Meter ECU Communication |
| U0164 | Air Conditioner ECU Communication |
| U0198 | Lost Communication with Telematic Control Module |
| U0265 | Lost Communication with Image Processing Sensor A |
| U0293 | HV ECU Communication |
| U1110 | Clearance Sonar ECU Communication |
AUDIO AND VISUAL SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION [07/2022 - ]
| DTC Code | Description |
|---|---|
| B1547-11 | GNSS Antenna Circuit Short to Ground |
| B1547-13 | GNSS Antenna Circuit Open |
| B1549-13 | Voice Recognition Microphone2 Circuit Open |
| B1551-96 | HD-RADIO Tuner Component Internal Failure |
| B1575-87 | GVIF (from EMV/MM Integrated Device to Multi Display) Missing Message |
| B1579-13 | Voice Recognition Microphone1 Circuit Open |
| B158D-87 | Video Signal Stoppage Missing Message |
| B15A0-96 | LAN Master Component Internal Failure |
| B15A6-87 | Display Missing Message |
| B15A6-96 | Display Component Internal Failure |
| B15AD-96 | Navigation Processor Component Internal Failure |
| B15B0-96 | Display Screen Component Internal Failure |
| B15B3-96 | Radio Tuner Component Internal Failure |
| B15B7-96 | Bluetooth Module Component Internal Failure |
| B15BA-96 | XM Tuner Component Internal Failure |
| B15C3-71 | Speaker Output Short Actuator Stuck |
| B15DB-87 | Telematics Transceiver Missing Message |
| B15FE-11 | XM Tuner Antenna Circuit Short to Ground |
| B15FE-13 | XM Tuner Antenna Circuit Open |
| B2282-31 | Vehicle Speed Signal Circuit Open |
| C1622-87 | Rear Camera Image Signal Missing Message |
| U0100-87 | Lost Communication With ECM/PCM "A" Missing Message |
| U0129-87 | Lost Communication With Brake System Control Module Missing Message |
| U0132-87 | Lost Communication with Suspension Control Module "A" Missing Message |
| U0140-87 | Lost Communication with Body Control Module Missing Message |
| U0155-87 | Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message |
| U0164-87 | Lost Communication with HVAC Control Module Missing Message |
| U0168-87 | Lost Communication with Vehicle Security Control Module Missing Message |
| U0198-87 | Lost Communication with Telematic Control Module "A" Missing Message |
| U0208-87 | Lost Communication with "Seat Control Module A" Missing Message |
| U0265-87 | Lost Communication with Image Processing Sensor A Missing Message |
| U0293-87 | Lost Communication with Hybrid/EV Powertrain Control Module Missing Message |
| U1000-49 | CAN Register Fixing Internal Electronic Failure |
| U1110-87 | Lost Communication with Intuitive Parking Assist Module Missing Message |
| U11D0-87 | Lost Local Communication with MET Missing Message |
| U11D1-87 | Lost Local Communication with HUD Missing Message |
| U11D3-87 | Lost Local Communication with Qi Missing Message |
Factory Service Tools
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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.