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Inspection Mode 1

DTC Item Note
U0073 CONTROL MODULE COMMUNICATION BUS OFF Ref. to TELEMATICS SYSTEM (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC U0073: CONTROL MODULE COMMUNICATION BUS OFF .
U0074 Control Module Communication Bus "BODY-CAN" Off Ref. to TELEMATICS SYSTEM (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC U0074: CONTROL MODULE COMMUNICATION BUS "BODY-CAN" OFF .
U0100 LOST COMMUNICATION WITH ECM/PCM "A" Ref. 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 Ref. 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 Ref. 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 Ref. 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 Ref. 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" Ref. 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 Ref. 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 Ref. to TELEMATICS SYSTEM (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC U0452: INVALID DATA RECEIVED FROM RESTRAINTS CONTROL MODULE .
B2A01 LTE1 Antenna Circuit Ref. to TELEMATICS SYSTEM (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2A01: LTE1 ANTENNA CIRCUIT .
B2A02 LTE2 Antenna Circuit Ref. to TELEMATICS SYSTEM (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2A02: LTE2 ANTENNA CIRCUIT .
B2A03 GPS ANTENNA CIRCUIT Ref. to TELEMATICS SYSTEM (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2A03: GPS ANTENNA CIRCUIT .
B2A07 BACKUP BATTERY CHARGE SYSTEM PERFORMANCE Ref. to TELEMATICS SYSTEM (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2A07: BACKUP BATTERY CHARGE SYSTEM PERFORMANCE .
B2A08 SOS BUTTON CIRCUIT Ref. to TELEMATICS SYSTEM (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2A08: SOS BUTTON CIRCUIT .
B2A09 I-CALL BUTTON CIRCUIT Ref. to TELEMATICS SYSTEM (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2A09: I-CALL BUTTON CIRCUIT .
B2A0C DCM Internal fault Ref. to TELEMATICS SYSTEM (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2A0C: DCM INTERNAL FAULT .
B2A0D Airbag Signal Ref. to TELEMATICS SYSTEM (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2A0D: AIRBAG SIGNAL .
B2A0E MUTE LINE CIRCUIT Ref. to TELEMATICS SYSTEM (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2A0E: MUTE LINE CIRCUIT .
B2A0F BACKUP BATTERY DEGRADATION Ref. to TELEMATICS SYSTEM (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2A0F: BACKUP BATTERY DEGRADATION .
B2A10 Battery Voltage High Ref. to TELEMATICS SYSTEM (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2A10: BATTERY VOLTAGE HIGH .

Inspection steps:

  1. Using the Subaru Select Monitor, perform the clear memory of [Telematics]. Ref. to COMMON (DIAG)>CLEAR MEMORY .
  2. Using the Subaru Select Monitor, read the DTC of [Telematics] to check that there is no DTC displayed. Ref. to TELEMATICS SYSTEM (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .
    NOTE: If the DTC is displayed on the screen, the trouble is still present. Perform the diagnosis according to the DTC. After solving the DTC, repeat from step 1).
  3. Turn the ignition switch to OFF.
  4. Turn the ignition switch to ON, and wait for 5 seconds or more.
  5. Using the Subaru Select Monitor, read the DTC of [Telematics] to check that there is no DTC displayed. Ref. to TELEMATICS SYSTEM (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .
    NOTE: If the DTC is displayed on the screen, the trouble is still present. Perform the diagnosis according to the DTC.
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