Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2006 Subaru Outback XT, AutomaticFACTORY OEM SERVICE PROCEDURE
Immobilizer DTCS
NOTE:
Perform diagnosis of engine DTC when a DTC other than an immobilizer DTC is detected, refer to ENGINE SELF-DIAGNOSTICS DTCS .
IMMOBILIZER (ECM) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Item | Contents of Diagnosis | Reference |
|---|---|---|---|
| P0513 | Incorrect Immobilizer Key | Incorrect immobilizer key (Use of unregistered key in body integrated unit) | < Ref. to DTC P0513 INCORRECT IMMOBILIZER KEY . > |
| P1570 | Antenna | Faulty antenna | < Ref. to DTC P1570 ANTENNA . > |
| P1571 | Reference Code Incompatibility | Reference code incompatibility between body integrated unit and ECM | < Ref. to DTC P1571 REFERENCE CODE INCOMPATIBILITY . > |
| P1572 | EGI - Immobilizer Communication (Excluding Antenna Circuit) |
Communication failure between body integrated unit and ECM | < Ref. to DTC P1572 IMM CIRCUIT FAILURE (EXCEPT ANTENNA CIRCUIT) . > |
| P1574 | Key - Immobilizer Communication | Failure of body integrated unit to verify key (transponder) ID code | < Ref. to DTC P1574 KEY COMMUNICATION FAILURE . > |
| P1576 | EGI Control Module EEPROM | ECM malfunctioning | < Ref. to DTC P1576 EGI CONTROL MODULE EEPROM . > |
| P1577 | IMM Control Module EEPROM | Body integrated unit malfunctioning | < Ref. to DTC P1577 IMM CONTROL MODULE EEPROM . > |
| P1578 | Meter Failure | Reference code incompatibility between body integrated unit and combination meter | < Ref. to DTC P1578 METER FAILURE . > |
BODY INTEGRATED UNIT - DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Item | Contents of Diagnosis | Referenc | Relation between ECM and DTC |
|---|---|---|---|---|
| B0401 | M Collation NG | Reference code incompatibility between body integrated unit and combination meter | < Ref. to DTC P1578 METER FAILURE . > | P1578 |
| B0402 | Immobilizer Key Collation NG |
|
< Ref. to
DTC P0513 INCORRECT IMMOBILIZER KEY
. > < Ref. to DTC P1570 ANTENNA . > < Ref. to DTC P1574 KEY COMMUNICATION FAILURE . > |
|
| B0403 | E/G Request NG | Communication failure between body integrated unit and ECM | < Ref. to DTC P1572 IMM CIRCUIT FAILURE (EXCEPT ANTENNA CIRCUIT) . > | P1572 |
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.