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 DIAGNOSIS (SINGLE PAGE)BODY & FRAMEDOOR LOCKSSECURITY AND LOCKS - KEYLESS ACCESS (W/PUSH BUTTON START) (DIAGNOSTICS)
2014 Subaru Outback 2.5i, Standard Trans
Security And Locks - Keyless Access (W/Push Button Start) (Diagnostics)
2014 Subaru Outback 2.5i, Standard TransSECTION Security And Locks - Keyless Access (W/Push Button Start) (Diagnostics)
- Basic Diagnostic Procedure
- Check List for Interview
- General Description
- Electrical Component Location
- Control Module I/O Signal
- Subaru Select Monitor
- Read Diagnostic Trouble Code (DTC)
- Read Current Data
- Clear Memory Mode
- Keyless Access System Check
- System Operation Check Mode
- List of Diagnostic Trouble Code (DTC)
- Diagnostic Procedure with Diagnostic Trouble Code (DTC)
- DTC U0073 Control Module Communication Bus "A" Off
- DTC U0140 Lost Communication With Body Control Module
- DTC U0422 Invalid Data Received From Body Control Module
- DTC B1242 Wireless Tuner Abnormal
- DTC B2271 IGN Fuse Blown Or IGN Circuit Abnormal
- DTC B2274 Acc Monitor
- DTC B2275 STSW Circuit Abnormal
- DTC B2276 ACCR Signal Abnormal
- DTC B2277 Submerging Circuit Abnormal
- DTC B2282 Vehicle Speed Signal Abnormal
- DTC B2283 Vehicle Speed Sensor Fault Detection
- DTC B2284 Brake Signal (Cable-Information Does Not Match To Bean-Information)
- DTC B2285 Steering Lock Position Signal Abnormal
- DTC B2286 Driving Possible Signal Abnormal
- DTC B2779 Remote Control Engine Starter Communication Collation NG
- DTC B2781 Steering Lock Ecu Open/Short
- DTC B2782 Steering Lock Power Supply Circuit Abnormal (Smart Ecu-Side Abnormal)
- DTC B2784 Antenna Coil Fault
- DTC B2785 Lin Communication Error
- DTC B2786 No Response From Steering Lock Ecu
- DTC B2788 IGN1 Input Abnormal
- DTC B2789 Id Code Box No Response
- DTC B278A Abnormal Immobilizer Power Supply
- DTC B278D Id Code Box Recognition Judgment Abnormal
- DTC B2790 Id Code Box Abnormal (EEPROM Abnormal)
- DTC B27A5 Front Internal Antenna Output Stage Open
- DTC B27A6 Rear Internal Antenna Output Stage Open
- DTC B27A7 Trunk/Rear Gate Internal Antenna Output Stage Open
- DTC B27A8 Trunk/Rear Gate External Antenna Output Stage Open
- DTC B1571 Reference Code Incompatibility
- DTC B1572 IMM Circuit Failure (Except Antenna Circuit)
- DTC B1576 EGI Control Module EEPROM
- DTC B1577 IMM Control Module EEPROM
- DTC P1571 Reference Code Incompatibility
- DTC P1572 IMM Circuit Failure (Except Antenna Circuit)
- DTC P1576 EGI Control Module EEPROM
- DTC P1577 IMM Control Module EEPROM
- General Diagnostic Table
- Diagnostics with Phenomenon
- Inspection
- Keyless Access Lock/Unlock Cannot Be Performed From Any Of The Doors
- All Keyless Access Functions Do Not Operate
- Cannot Lock With Keyless Access From The Driver's Door
- Cannot Lock/Unlock With Keyless Access From The Driver's Door
- Cannot Unlock With Keyless Access From The Driver's Door
- Cannot Lock With Keyless Access From The Passenger's Door
- Cannot Lock/Unlock With Keyless Access From The Passenger's Door
- Cannot Unlock With Keyless Access From The Passenger's Door
- The Keyless Access Passenger Room Buzzer Does Not Sound
- Keyless Access External Buzzer Does Not Beep
- Internal Collation Does Not Function
- Rear Gate Cannot Be Unlocked With The Rear Gate Opener Button
- Can Not Lock When Using The Rear Lock Button
- The Steering Lock Is Not Released
- The Steering Lock Does Not Operate
- Power Will Not Turn On (Both Accessory And Ignition)
- Power Will Not Turn On (Accessory Does Not Turn On, But Ignition Turns On)
- Wiring Diagram
- Power Will Not Turn On (Accessory Turns On, But Ignition Does Not Turn On)
- Engine Does Not Start
- Inspection
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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.