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.
2012 Subaru Outback Base, Automatic CVT TransFACTORY OEM SERVICE PROCEDURE
Immobilizer DTCS
ECM DIAGNOSTIC TROUBLE CODES (DTC) LIST
| DTC | Item | Contents of diagnosis | Index No. |
|---|---|---|---|
| P0513 | Incorrect Immobilizer Key | Incorrect immobilizer key (Use of unregistered key in body integrated unit) | Refer to , DTC P0513 INCORRECT IMMOBILIZER KEY , Diagnostic Procedure with Diagnostic Trouble Code (DTC). |
| P1570 | Antenna | Faulty antenna | Refer to , DTC P1570 ANTENNA , Diagnostic Procedure with Diagnostic Trouble Code (DTC). |
| P1571 | Reference Code Incompatibility | Reference code incompatibility between body integrated unit and ECM | Refer to , DTC P1571 REFERENCE CODE INCOMPATIBILITY , Diagnostic Procedure with Diagnostic Trouble Code (DTC). |
| P1572 | IMM Circuit Failure (Except Antenna Circuit) | Communication failure between body integrated unit and ECM | Refer to , DTC P1572 IMM CIRCUIT FAILURE (EXCEPT ANTENNA CIRCUIT) , Diagnostic Procedure with Diagnostic Trouble Code (DTC). |
| P1574 | Key Communication Failure | Communication failure between key and body integrated unit | Refer to , DTC P1574 KEY COMMUNICATION FAILURE , Diagnostic Procedure with Diagnostic Trouble Code (DTC). |
| P1576 | EGI Control Module EEPROM | ECM malfunctioning | Refer to , DTC P1576 EGI CONTROL MODULE EEPROM , Diagnostic Procedure with Diagnostic Trouble Code (DTC). |
| P1577 | IMM Control Module EEPROM | Body integrated unit malfunctioning | Refer to , DTC P1577 IMM CONTROL MODULE EEPROM , Diagnostic Procedure with Diagnostic Trouble Code (DTC). |
| P1578 | Meter Failure (Except for model for Canada) |
|
Refer to , DTC P1578 METER FAILURE , Diagnostic Procedure with Diagnostic Trouble Code (DTC). |
| Meter Failure (Model for Canada) |
|
BODY INTEGRATED UNIT DIAGNOSTIC TROUBLE CODES (DTC) LIST
| DTC | Item | Contents of diagnosis | Index No. | Relation between ECM and DTC |
|---|---|---|---|---|
| B1401 | M Collation NG | Reference code incompatibility between combination meter and body integrated unit | Refer to , DTC B1401 M COLLATION NG , Diagnostic Procedure with Diagnostic Trouble Code (DTC). | P1578 |
| B1402 | Immobilizer Key Collation NG |
|
Refer to , DTC B1402 IMMOBILIZER KEY COLLATION NG , Diagnostic Procedure with Diagnostic Trouble Code (DTC). |
|
| B1403 | E/G request NG | Communication failure between body integrated unit and ECM | Refer to , DTC B1403 E/G REQUEST NG , Diagnostic Procedure with Diagnostic Trouble Code (DTC). | P1572 |
| B1405 | SCU Collation NG | Reference code incompatibility between body integrated unit and security control module | Refer to , DTC B1405 SCU COLLATION NG , Diagnostic Procedure with Diagnostic Trouble Code (DTC). | P1578 |
| B1406 | SCU_EEPROM_NG | Malfunction of security control module | Refer to , DTC B1406 SCU_EEPROM_NG , Diagnostic Procedure with Diagnostic Trouble Code (DTC). | P1578 |
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.
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