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, Standard 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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