Diagnostic Trouble Code Chart
WARNING: This page is about a different car, the 2012 Lexus GX 460. However, it is still accessible from the selected car via links, so may be relevant.
HINT:
If a trouble code is output during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to the "NAVIGATION SYSTEM" table below.
NAVIGATION SYSTEM
| DTC Code | Detection Item | Trouble Area | Refer to |
|---|---|---|---|
| B156B | Multi-media Interface ECU Disconnected | - Multi-media interface ECU power source circuit - AVC-LAN circuit between display and navigation module display and multi-media interface ECU - Multi-media interface ECU - Display and navigation module display |
Refer to DTC B156B: Multi-media Interface ECU Disconnected; DTC B156E: No Response from Multi-media Interface ECU |
| B156E | No Response from Multi-media Interface ECU | - Multi-media interface ECU power source circuit - AVC-LAN circuit between display and navigation module display and multi-media interface ECU - Multi-media interface ECU - Display and navigation module display |
Refer to DTC B156B: Multi-media Interface ECU Disconnected; DTC B156E: No Response from Multi-media Interface ECU |
| B1591 | No Response from Audio HU | - Harness or connector - Radio receiver assembly - Stereo component amplifier assembly - Multi-display controller sub-assembly*1 - Display and navigation module display*2 |
Refer to DTC B1591: No Response from Audio HU; DTC B15D1: Audio HU Disconnected |
| B1593 | No Response from Stereo Component Amplifier | - Harness or connector - Stereo component amplifier assembly - Display and navigation module display - Radio receiver assembly |
Refer to DTC B1593: No Response from Stereo Component Amplifier; DTC B15D3: Stereo Component Amplifier Disconnected |
| B1595 | No Response from Rear Seat Entertainment System | - Harness or connector - Multi-display controller sub-assembly - Radio receiver assembly - Display and navigation module display |
Refer to DTC B1595: No Response from Rear Seat Entertainment System; DTC B15D5: Rear Seat Entertainment System Disconnected |
| B15A0 | LAN Master Malfunction | Display and navigation module display | Refer to DTC B15A0: LAN Master Malfunction; DTC B15AD: Navigation Processor Malfunction |
| B15A6 | Display Malfunction | Display and navigation module display | Refer to DTC B15A6: Display Malfunction |
| B15AD | Navigation Processor Malfunction | Display and navigation module display | Refer to DTC B15A0: LAN Master Malfunction; DTC B15AD: Navigation Processor Malfunction |
| B15B0 | Display Screen Malfunction | - Display and navigation module display - Television display assembly LH*1 - Television display assembly RH*1 |
Refer to DTC B15B0: Display Screen Malfunction |
| B15B8 | Harddisk Malfunction | Hard disk drive | Refer to DTC B15B8: Harddisk Malfunction |
| B15BB | Multi-media Interface ECU Malfunction | - USB device - "iPod" - Harness or connector - No. 1 stereo jack adapter assembly - Multi-media interface ECU |
Refer to DTC B15BB: Multi-media Interface ECU Malfunction |
| B15C0 | Short in GPS Antenna | - Navigation antenna assembly - Display and navigation module display |
Refer to DTC B15C0: Short in GPS Antenna; DTC B15C1: Open in GPS Antenna |
| B15C1 | Open in GPS Antenna | - Navigation antenna assembly - Display and navigation module display |
Refer to DTC B15C0: Short in GPS Antenna; DTC B15C1: Open in GPS Antenna |
| B15C2 | Speed Signal Malfunction | - Meter/gauge system - Harness or connector - Display and navigation module display |
Refer to DTC B15C2: Speed Signal Malfunction |
| B15D0 | MOST Communication Malfunction | - Harness or connector - Display and navigation module display - Stereo component amplifier assembly - Radio receiver assembly - Multi-display controller sub-assembly*1 |
Refer to DTC B15D0: MOST Communication Malfunction |
| B15D1 | Audio HU Disconnected | - Harness or connector - Radio receiver assembly - Stereo component amplifier assembly - Multi-display controller sub-assembly*1 - Display and navigation module display*2 |
Refer to DTC B1591: No Response from Audio HU; DTC B15D1: Audio HU Disconnected |
| B15D3 | Stereo Component Amplifier Disconnected | - Harness or connector - Stereo component amplifier assembly - Display and navigation module display - Radio receiver assembly |
Refer to DTC B1593: No Response from Stereo Component Amplifier; DTC B15D3: Stereo Component Amplifier Disconnected |
| B15D5 | Rear Seat Entertainment System Disconnected | - Harness or connector - Multi-display controller sub-assembly - Radio receiver assembly - Display and navigation module display |
Refer to DTC B1595: No Response from Rear Seat Entertainment System; DTC B15D5: Rear Seat Entertainment System Disconnected |
| B15D8 | Monitor Disconnected | - Harness or connector - Display and navigation module display - Parking assist ECU |
Refer to DTC B15D8: Monitor Disconnected |
| B15E7 | Harddisk Reading/Writing Malfunction(Low Temperature) | Hard disk drive | Refer to DTC B15E7: Harddisk Reading/Writing Malfunction(Low Temperature); DTC B15E8: Harddisk Reading/Writing Malfunction(High Temperature) |
| B15E8 | Harddisk Reading/Writing Malfunction(High Temperature) | Hard disk drive | Refer to DTC B15E7: Harddisk Reading/Writing Malfunction(Low Temperature); DTC B15E8: Harddisk Reading/Writing Malfunction(High Temperature) |
| U0073 | Control Module Communication Bus Off | CAN communication line | Refer to DTC U0073: Control Module Communication Bus Off; DTC U0100: Lost Communication with ECM; DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U0155: Lost Communication with Combination Meter; DTC U0164: Lost Communication with A/C ECU; DTC U1110: Lost Communication with Clearance Warning ECU |
| U0100 | Lost Communication with ECM | CAN communication line | Refer to DTC U0073: Control Module Communication Bus Off; DTC U0100: Lost Communication with ECM; DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U0155: Lost Communication with Combination Meter; DTC U0164: Lost Communication with A/C ECU; DTC U1110: Lost Communication with Clearance Warning ECU |
| U0126 | Lost Communication with Steering Angle Sensor Module | CAN communication line | Refer to DTC U0073: Control Module Communication Bus Off; DTC U0100: Lost Communication with ECM; DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U0155: Lost Communication with Combination Meter; DTC U0164: Lost Communication with A/C ECU; DTC U1110: Lost Communication with Clearance Warning ECU |
| U0155 | Lost Communication with Combination Meter | CAN communication line | Refer to DTC U0073: Control Module Communication Bus Off; DTC U0100: Lost Communication with ECM; DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U0155: Lost Communication with Combination Meter; DTC U0164: Lost Communication with A/C ECU; DTC U1110: Lost Communication with Clearance Warning ECU |
| U0164 | Lost Communication with A/C ECU | CAN communication line | Refer to DTC U0073: Control Module Communication Bus Off; DTC U0100: Lost Communication with ECM; DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U0155: Lost Communication with Combination Meter; DTC U0164: Lost Communication with A/C ECU; DTC U1110: Lost Communication with Clearance Warning ECU |
| U1110 | Lost Communication with Clearance Warning ECU | CAN communication line | Refer to DTC U0073: Control Module Communication Bus Off; DTC U0100: Lost Communication with ECM; DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U0155: Lost Communication with Combination Meter; DTC U0164: Lost Communication with A/C ECU; DTC U1110: Lost Communication with Clearance Warning ECU |
- *1: w/ Rear Seat Entertainment System
- *2: w/o Rear Seat Entertainment System