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Inspection Mode 8

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
B1017 COLLISION DETECTION SIGNAL INPUT -
B1107 CAN COMMUNICATION (BIU) STUCK -
B1402 IMMOBILIZER KEY COLLATION Model without keyless access with push button start system
B1403 IMMOBILIZER SUB CONTROL MODULE COLLATION Model without keyless access with push button start system
B1404 IMMOBILIZER SUB CONTROL MODULE COMMUNICATION Model without keyless access with push button start system
B140A IMMOBILIZER SUB CONTROL MODULE NON-VOLATILE MEMORY Model without keyless access with push button start system
B1410 TRANSPONDER COMMUNICATION Model without keyless access with push button start system
B1411 IMMOBILIZER ANTENNA Model without keyless access with push button start system
U0073 CONTROL MODULE COMMUNICATION BUS OFF -
U0074 CONTROL MODULE COMMUNICATION BUS "BODY-CAN" OFF -
U0100 LOST COMMUNICATION WITH ECM/PCM "A" -
U0122 LOST COMMUNICATION WITH VEHICLE DYNAMICS CONTROL MODULE -
U0127 LOST COMMUNICATION WITH TIRE PRESSURE MONITOR CONTROL MODULE AND/OR KEYLESS ENTRY CONTROL MODULE Model without keyless access with push button start system
U0155 LOST COMMUNICATION WITH INSTRUMENT PANEL CLUSTER (IPC) CONTROL MODULE -
U0167 LOST COMMUNICATION WITH IMMOBILIZER CONTROL MODULE Model with immobilizer control module
U0327 SOFTWARE INCOMPATIBILITY WITH VEHICLE SECURITY CONTROL MODULE Model with keyless access with push button start system
U0401 INVALID DATA RECEIVED FROM ECM/PCM "A" -
U0416 INVALID DATA RECEIVED FROM VEHICLE DYNAMICS CONTROL MODULE -
U0423 INVALID DATA RECEIVED FROM INSTRUMENT PANEL CLUSTER CONTROL MODULE -
U0426 INVALID DATA RECEIVED FROM IMMOBILIZER CONTROL MODULE Model with immobilizer control module
U0427 INVALID DATA RECEIVED FROM VEHICLE SECURITY CONTROL MODULE Model with keyless access with push button start system
U0430 INVALID DATA RECEIVED FROM TIRE PRESSURE MONITOR CONTROL MODULE AND/OR KEYLESS ENTRY CONTROL MODULE Model without keyless access with push button start system

Diagnostic procedure: 

  1. Using the Subaru Select Monitor, perform the clear memory of [Body Control]. Ref. to COMMON (DIAGNOSTICS)>CLEAR MEMORY
  2. 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 . 

  3. Turn the ignition switch OFF → ON, and wait for 10 seconds or more.
  4. 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.