Inspection Mode 2
WARNING: This page is about a different car, the 2023 Subaru Ascent. However, it is still accessible from the selected car via links, so may be relevant.
| DTC | Description & trouble part | Note |
|---|---|---|
| B1730 | CENTRAL GATEWAY CONTROL MODULE IGNITION/ACCESSORY POWER | - |
| B1E01 | UNREGISTERED OF AUTHENTICATION UNIT | - |
| U0073 | CONTROL MODULE COMMUNICATION BUS OFF | - |
| U0074 | CONTROL MODULE COMMUNICATION BUS "BODY CAN" OFF | - |
| U0079 | CONTROL MODULE COMMUNICATION BUS "G" OFF | - |
| U007A | CONTROL MODULE COMMUNICATION BUS "H" OFF | - |
| U007B | CONTROL MODULE COMMUNICATION BUS "I" OFF | - |
| U007C | CONTROL MODULE COMMUNICATION BUS "J" OFF | - |
Diagnostic procedure:
- Using the Subaru Select Monitor, perform the clear memory of [Central Gateway]. Ref. to COMMON (DIAGNOSTICS)>CLEAR MEMORY .
- Using the Subaru Select Monitor, read the DTC of [Central Gateway] to check that there is no DTC displayed. Ref. to CENTRAL GATEWAY (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.
- After the ignition switch is turned ON, wait for 45 seconds or more.
- Using the Subaru Select Monitor, read the DTC of [Central Gateway] to check that there is no DTC displayed. Ref. to CENTRAL GATEWAY (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.