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)DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)DTC B1405 SCU COLLATION NGDTC DETECTING CONDITION
2014 Subaru Outback 2.5i, Standard Trans
DTC B1405 SCU Collation NG: DTC Detecting Condition
2014 Subaru Outback 2.5i, Standard TransSECTION DTC Detecting Condition
Reference code incompatibility between security control module and body integrated unit
DIAGNOSTIC PROCEDURE
| Step | Check | Yes | No |
|---|---|---|---|
| 1 CHECK SCM COLLATION MODE. Using Subaru Select Monitor, perform the function check «SCM Collation Mode» for the body integrated unit. Refer to OPERATION . |
Is there any malfunction? | Make sure it is possible to start the engine with all keys. This completes the work. | Perform the diagnosis according to the Select Monitor display. |
RENDER: 1.0x
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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.