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Inspection Mode 3

DTC Description and trouble part Note
U007C Control Module Communication Bus "J" Off Ref. to TELEMATICS SYSTEM (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC U007C: CONTROL MODULE COMMUNICATION BUS "J" 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 .
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 .
U114E LOST COMMUNICATION WITH GATEWAY "A" SS-BUS Ref. to TELEMATICS SYSTEM (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC U114E: LOST COMMUNICATION WITH GATEWAY "A" SS-BUS .
U115B LOST COMMUNICATION WITH RESTRAINTS CONTROL MODULE LOCAL BUS Ref. to TELEMATICS SYSTEM (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC U115B: LOST COMMUNICATION WITH RESTRAINTS CONTROL MODULE LOCAL BUS .

Diagnostic procedure:

  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 for the displayed DTCs. After solving the DTC, repeat from step 1).
  3. Turn the ignition switch to OFF.
  4. Close all doors. (The vehicle enters CAN sleep state.)
  5. Wait for approx. 3 minutes. After the indicator goes off, wait for another 1 minute. (DCM standby mode)
  6. Turn the ignition switch to ON, and wait for 5 seconds or more.
  7. 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 for the displayed DTCs.