Inspection Mode 9
WARNING: This page is about a different car, the 2022 Subaru WRX. However, it is still accessible from the selected car via links, so may be relevant.
| DTC | Description & trouble part | Note |
|---|---|---|
| B2680 | HIGH BEAM ASSIST SENSOR | BIU detects DTC only when [High Beam Assist Function Setting (mirror/EyeSight)] is [mirror HBA]. |
| B2681 | HIGH BEAM ASSIST CONTROL MODULE | BIU detects DTC only when [High Beam Assist Function Setting (mirror/EyeSight)] is [mirror HBA]. |
| B2682 | HIGH BEAM ASSIST UNIT FIELD OF VIEW | BIU detects DTC only when [High Beam Assist Function Setting (mirror/EyeSight)] is [mirror HBA]. |
| B2683 | VEHICLE SPECIFICATION INFORMATION REGISTRATION | BIU detects DTC only when [High Beam Assist Function Setting (mirror/EyeSight)] is [mirror HBA]. |
| U0101 | LOST COMMUNICATION WITH TCM | BIU detects DTC only when [MT/AT Setting] is [AT]. |
| U0128 | LOST COMMUNICATION WITH PARK BRAKE CONTROL MODULE | BIU detects DTC only when [EPB setting] is [Support]. |
| U0164 | LOST COMMUNICATION WITH HVAC CONTROL MODULE | BIU detects DTC only when [Auto A/C ECU Setting] is [Support]. |
| U0169 | LOST COMMUNICATION WITH SUNROOF CONTROL MODULE | BIU detects DTC only when [Sunroof setting] is [Support]. |
| U0222 | LOST COMMUNICATION WITH DRIVER'S DOOR POWER WINDOW | BIU detects DTC only when [P/W ECU Setting] is [Driver Seat], [Driver/Passenger Seat] or [Four Seat]. |
| U0223 | LOST COMMUNICATION WITH PASSENGER'S DOOR POWER WINDOW | BIU detects DTC only when [P/W ECU Setting] is [Driver/Passenger Seat] or [Four Seat]. |
| U0224 | LOST COMMUNICATION WITH RR DOOR POWER WINDOW | BIU detects DTC only when [P/W ECU Setting] is [Four Seat]. |
| U0225 | LOST COMMUNICATION WITH RL DOOR POWER WINDOW | BIU detects DTC only when [P/W ECU Setting] is [Four Seat]. |
| U0402 | INVALID DATA RECEIVED FROM TCM | BIU detects DTC only when [MT/AT Setting] is [AT]. |
| U0417 | INVALID DATA RECEIVED FROM PARK BRAKE CONTROL MODULE | BIU detects DTC only when [EPB setting] is [Support]. |
| U0424 | INVALID DATA RECEIVED FROM HVAC CONTROL MODULE | BIU detects DTC only when [Auto A/C ECU Setting] is [Support]. |
| U111F | <HBA>LOST COMMUNICATION WITH VEHICLE DYNAMICS CONTROL MODULE | BIU detects DTC only when [High Beam Assist Function Setting (mirror/EyeSight)] is [mirror HBA]. |
| U1145 | <HBA>LOST COMMUNICATION WITH BODY CONTROL MODULE | BIU detects DTC only when [High Beam Assist Function Setting (mirror/EyeSight)] is [mirror HBA]. |
| U115A | <HBA>LOST COMMUNICATION WITH INSTRUMENT PANEL CLUSTER (IPC) CONTROL MODULE | BIU detects DTC only when [High Beam Assist Function Setting (mirror/EyeSight)] is [mirror HBA]. |
| U123C | LOST COMMUNICATION WITH HIGH BEAM ASSIST CONTROL MODULE | BIU detects DTC only when [High Beam Assist Function Setting (mirror/EyeSight)] is [mirror HBA]. |
| U141A | <HBA>INVALID DATA RECEIVED FROM VEHICLE DYNAMICS CONTROL MODULE | BIU detects DTC only when [High Beam Assist Function Setting (mirror/EyeSight)] is [mirror HBA]. |
| U142A | <HBA>INVALID DATA RECEIVED FROM INSTRUMENT PANEL CLUSTER (IPC) CONTROL MODULE | BIU detects DTC only when [High Beam Assist Function Setting (mirror/EyeSight)] is [mirror HBA]. |
| U1446 | <HBA>INVALID DATA RECEIVED FROM BODY CONTROL MODULE | BIU detects DTC only when [High Beam Assist Function Setting (mirror/EyeSight)] is [mirror HBA]. |
| U153D | INVALID DATA RECEIVED FROM HIGH BEAM ASSIST CONTROL MODULE | BIU detects DTC only when [High Beam Assist Function Setting (mirror/EyeSight)] is [mirror HBA]. |
| U1283 | LOST COMMUNICATION WITH EYESIGHT SA-BUS | BIU detects DTC only when [High Beam Assist Function Setting (mirror/EyeSight)] is [EyeSight HBA] or the vehicle is equipped with EyeSight. |
| U1584 | INVALID DATA RECEIVED FROM EYESIGHT SA-BUS | BIU detects DTC only when [High Beam Assist Function Setting (mirror/EyeSight)] is [EyeSight HBA] or the vehicle is equipped with EyeSight. |
| U1673 | LIN COMMUNICATION BUS ERROR BODY CONTROL MODULE | BIU detects DTC only when [Sunroof setting] is [Support]. |
| U1674 | LIN COMMUNICATION BUS 2 ERROR BODY CONTROL MODULE | BIU detects DTC only when [P/W ECU Setting] is [Driver Seat], [Driver/Passenger Seat] or [Four Seat]. |
| U1822 | LOST COMMUNICATION WITH MASTER MAIN SWITCH | BIU detects DTC only when [P/W ECU Setting] is [Driver Seat], [Driver/Passenger Seat] or [Four Seat]. |
Diagnostic procedure:
- Using the Subaru Select Monitor, perform the clear memory of [Body Control]. Ref. to COMMON (DIAGNOSTICS)>CLEAR MEMORY
- Using the Subaru Select Monitor, read the DTC of [Body Control] to check that there is no DTC displayed. Ref. to BODY CONTROL (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) NOTE:
If the DTC is displayed on the screen, the trouble is still present. Perform the diagnosis for the displayed DTCs. After solving the DTC, repeat from step 1 .
- Confirm that [Customize] items of [Body Control] correspond to the vehicle. Ref. to BODY CONTROL (DIAGNOSTICS)>CUSTOMIZE
- Turn the ignition switch OFF → ON, and wait for 10 seconds or more.
- Using the Subaru Select Monitor, read the DTC of [Body Control] to check that there is no DTC displayed. Ref. to BODY CONTROL (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) NOTE:
If the DTC is displayed on the screen, the trouble is still present. Perform the diagnosis for the displayed DTCs.