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.
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HOMESERVICE MANUALSSUBARU2014OUTBACK 2.5I, STANDARD TRANSREPAIR AND DIAGNOSISBODY & FRAMEDOOR LOCKSIMMOBILIZER SYSTEM (DIAGNOSTICS)LIST OF DIAGNOSTIC TROUBLE CODE (DTC)LISTBODY INTEGRATED UNIT
2014 Subaru Outback 2.5i, Standard Trans
Body Integrated Unit
2014 Subaru Outback 2.5i, Standard TransSECTION Body Integrated Unit
| 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 . | B1578 P1578 |
| B1402 | Immobilizer Key Collation NG |
|
Refer to DTC B1402 IMMOBILIZER KEY COLLATION NG . | B1575 B1570 P1574 P0513 P1570 P1574 |
| B1405 | SCU Collation NG | Reference code incompatibility between body integrated unit and security control module | Refer to DTC B1405 SCU COLLATION NG . | B1578 P1578 |
| B1406 | SCU_EEPROM_NG | Malfunction of security control module | Refer to DTC B1406 SCU_EEPROM_NG . | B1578 P1578 |
NOTE:
The starter relay control is performed in immobilizer system. When the body integrated unit detects a nonconformity of reference code, it immediately outputs a starter relay cut signal to ECM, and then ECM stops the starter relay operation. In this case, engine does not start, and DTC is not recorded in ECM. Check that the engine does not start on the DTC of body integrated unit.
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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.