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Home >> Subaru >> 2020 >> Outback Base >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Immobilizer System (Diagnostics) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC B1414: Immobilizer Control Module Non-Volatile Memory

DTC B1414: Immobilizer Control Module Non-Volatile Memory

Diagnosis start condition: 

DTC detecting condition: 

Trouble symptom: 

Engine will not start.

CAUTION: When the immobilizer Control Module is replaced, registration of the immobilizer system is required. For details, refer to appropriate service information.
  1. CHECK DTC  .
    1. Disconnect the ground terminal from battery sensor. Refer to REPAIR CONTENTS>NOTE>BATTERY .
    2. Wait for at least 10 seconds.
    3. Connect the ground terminal to battery sensor. Refer to REPAIR CONTENTS>NOTE>BATTERY .
    4. Read the DTC of [Immobilizer] using the Subaru Select Monitor. Refer to IMMOBILIZER (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .

      Is DTC B1414 displayed? (Current malfunction)

      Yes  : Go to  2.

      No  : The system has returned to a normal condition at this time. Finish the diagnosis.

  2. CHECK DTC  .
    1. Using the Subaru Select Monitor, perform the clear memory of [Immobilizer]. Refer to COMMON (DIAG)>CLEAR MEMORY .
    2. Disconnect the ground terminal from battery sensor. Refer to REPAIR CONTENTS>NOTE>BATTERY .
    3. Wait for at least 10 seconds.
    4. Connect the ground terminal to battery sensor. Refer to REPAIR CONTENTS>NOTE>BATTERY .
    5. Read the DTC of [Immobilizer] using the Subaru Select Monitor. Refer to IMMOBILIZER (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .

      Is DTC B1414 displayed? (Current malfunction)

      Yes  : Replace the immobilizer Control Module. Refer to SECURITY AND LOCKS>IMMOBILIZER CONTROL MODULE .

      No  : The system has returned to a normal condition at this time. Finish the diagnosis.