FixVault
Home › Subaru › 2021 › WRX Base › Repair and Diagnosis › Accessories & Equipment › Entertainment Systems › Telematics System (Diagnostics) › Inspection Mode › Procedure › Inspection Mode 1

Inspection Mode 1

DTC Item Note
U0073 CONTROL MODULE COMMUNICATION BUS OFF Refer to TELEMATICS SYSTEM (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE(DTC)>DTC U0073 CONTROL MODULE COMMUNICATION BUS OFF .
U0100 LOST COMMUNICATION WITH ECM/PCM "A" Refer to TELEMATICS SYSTEM (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE(DTC)>DTC U0100 LOST COMMUNICATION WITH ECM/PCM "A" .
U0122 LOST COMMUNICATION WITH VEHICLE DYNAMICS CONTROL MODULE Refer to TELEMATICS SYSTEM (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE(DTC)>DTC U0122 LOST COMMUNICATION WITH VEHICLE DYNAMICS CONTROL MODULE .
U0140 LOST COMMUNICATION WITH BODY CONTROL MODULE Refer to TELEMATICS SYSTEM (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE(DTC)>DTC U0140 LOST COMMUNICATION WITH BODY CONTROL MODULE .
U0151 LOST COMMUNICATION WITH RESTRAINTS CONTROL MODULE Refer to TELEMATICS SYSTEM (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE(DTC)>DTC U0151 LOST COMMUNICATION WITH RESTRAINTS CONTROL MODULE .
U0155 LOST COMMUNICATION WITH INSTRUMENT PANEL CLUSTER (IPC) CONTROL MODULE Refer to TELEMATICS SYSTEM (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE(DTC)>DTC U0155 LOST COMMUNICATION WITH INSTRUMENT PANEL CLUSTER (IPC) CONTROL MODULE .
U0401 INVALID DATA RECEIVED FROM ECM/PCM "A" Refer to TELEMATICS SYSTEM (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE(DTC)>DTC U0401 INVALID DATA RECEIVED FROM ECM/PCM "A" .
U0416 INVALID DATA RECEIVED FROM VEHICLE DYNAMICS CONTROL MODULE Refer to TELEMATICS SYSTEM (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE(DTC)>DTC U0416 INVALID DATA RECEIVED FROM VEHICLE DYNAMICS CONTROL MODULE .
U0452 INVALID DATA RECEIVED FROM RESTRAINTS CONTROL MODULE Refer to TELEMATICS SYSTEM (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE(DTC)>DTC U0452 INVALID DATA RECEIVED FROM RESTRAINTS CONTROL MODULE .
B2A00 VIN READING Refer to TELEMATICS SYSTEM (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE(DTC)>DTC B2A00 VIN READING .
B2A01 LTE1 ANTENNA CIRCUIT Refer to TELEMATICS SYSTEM (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE(DTC)>DTC B2A01 LTE1 ANTENNA CIRCUIT .
B2A02 LTE2 ANTENNA CIRCUIT Refer to TELEMATICS SYSTEM (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE(DTC)>DTC B2A02 LTE2 ANTENNA CIRCUIT .
B2A03 GPS ANTENNA CIRCUIT Refer to TELEMATICS SYSTEM (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE(DTC)>DTC B2A03 GPS ANTENNA CIRCUIT .
B2A07 BACKUP BATTERY CHARGE SYSTEM PERFORMANCE Refer to TELEMATICS SYSTEM (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE(DTC)>DTC B2A07 BACKUP BATTERY CHARGE SYSTEM PERFORMANCE .
B2A08 SOS BUTTON CIRCUIT Refer to TELEMATICS SYSTEM (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE(DTC)>DTC B2A08 SOS BUTTON CIRCUIT .
B2A09 I-CALL BUTTON CIRCUIT Refer to TELEMATICS SYSTEM (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE(DTC)>DTC B2A09 I-CALL BUTTON CIRCUIT .
B2A0C DCM INTERNAL FAULT Refer to TELEMATICS SYSTEM (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE(DTC)>DTC B2A0C DCM INTERNAL FAULT .
B2A0D AIRBAG SIGNAL Refer to TELEMATICS SYSTEM (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE(DTC)>DTC B2A0D AIRBAG SIGNAL .
B2A0E MUTE LINE CIRCUIT Refer to TELEMATICS SYSTEM (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE(DTC)>DTC B2A0E MUTE LINE CIRCUIT .
B2A0F BACKUP BATTERY DEGRADATION Refer to TELEMATICS SYSTEM (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE(DTC)>DTC B2A0F BACKUP BATTERY DEGRADATION .
B2A10 BATTERY VOLTAGE HIGH Refer to TELEMATICS SYSTEM (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE(DTC)>DTC B2A10 BATTERY VOLTAGE HIGH .

Inspection steps:

  1. Perform the Clear Memory Mode. Refer to TELEMATICS SYSTEM (DIAGNOSTICS)>CLEAR MEMORY MODE .
  2. Read the DTC and check that the DTC is not displayed. Refer to TELEMATICS SYSTEM (DIAGNOSTICS)>DIAGNOSTIC CODE(S) DISPLAY .
    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 ianition switch to OFF.
  4. Turn the ianition switch to ON, and wait for 5 seconds or more.
  5. Read the DTC and check that the DTC is not displayed.
    NOTE: If the DTC is displayed on the screen, the trouble is still present. Perform the diagnosis for the displayed DTCs.
About FixVault