Inspection Mode 2
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 |
|---|---|---|
| B1A02 | FRONT RELAY CONTROL MODULE BATTERY (BUCK UP) POWER SUPPLY | - |
Diagnostic procedure:
- Using the Subaru Select Monitor, perform the clear memory of [Front Relay Control Module]. Ref. to COMMON (DIAGNOSTICS)>CLEAR MEMORY
- Using the Subaru Select Monitor, read the DTC of [Front Relay Control Module] to check that there is no DTC displayed. Ref. to FRONT RELAY CONTROL MODULE (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 .
- Disconnect and reconnect the back-up fuse, and then wait for one minute or more.
- Using the Subaru Select Monitor, read the DTC of [Front Relay Control Module] to check that there is no DTC displayed. Ref. to FRONT RELAY CONTROL MODULE (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.