2013 Subaru Outback Base, Automatic CVT TransFACTORY OEM SERVICE PROCEDURE

Immobilizer DTCS

BODY INTEGRATED UNIT DIAGNOSTIC TROUBLE CODES (DTC) LIST

DTC Description Reference
B1570 Faulty antenna Refer to extxref DTC B1570 ANTENNA .
B1571 Reference code incompatibility between body integrated unit and ECM Refer to DTC B1571 REFERENCE CODE INCOMPATIBILITY .
B1572 Communication failure between body integrated unit and ECM Refer to DTC B1572 IMM CIRCUIT FAILURE (EXCEPT ANTENNA CIRCUIT) .
B1574 Communication failure between key and body integrated unit Refer to DTC B1574 KEY COMMUNICATION FAILURE .
B1575 Incorrect immobilizer key (Use of unregistered key in body integrated unit) Refer to DTC B1575 INCORRECT IMMOBILIZER KEY .
B1576 ECM malfunctioning Refer to DTC B1576 EGI CONTROL MODULE EEPROM .
B1577 Body integrated unit malfunctioning Refer to DTC B1577 IMM CONTROL MODULE EEPROM .
B1578
  • Reference code incompatibility between combination meter and body integrated unit
  • Communication failure between body integrated unit and ECM
Refer to DTC B1578 METER FAILURE .
  • Reference code incompatibility between body integrated unit and security control module
  • Communication failure between body integrated unit and ECM
P0513 Incorrect immobilizer key (Use of unregistered key in body integrated unit) Refer to DTC P0513 INCORRECT IMMOBILIZER KEY .
P1570 Faulty antenna Refer to DTC P1570 ANTENNA .
P1571 Reference code incompatibility between body integrated unit and ECM Refer to DTC P1571 REFERENCE CODE INCOMPATIBILITY .
P1572 Communication failure between body integrated unit and ECM Refer to DTC P1572 IMM CIRCUIT FAILURE (EXCEPT ANTENNA CIRCUIT) .
P1574 Communication failure between key and body integrated unit Refer to DTC P1574 KEY COMMUNICATION FAILURE .
P1576 ECM malfunctioning Refer to DTC P1576 EGI CONTROL MODULE EEPROM .
P1577 Body integrated unit malfunctioning Refer to DTC P1577 IMM CONTROL MODULE EEPROM .
P1578
  • Reference code incompatibility between combination meter and body integrated unit
  • Communication failure between body integrated unit and ECM
Refer to DTC P1578 METER FAILURE .
  • Reference code incompatibility between body integrated unit and security control module
  • Communication failure between body integrated unit and ECM
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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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