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 MANUALSSUBARU2014IMPREZA SPORT LIMITEDREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESBODY CONTROL SYSTEM (DIAGNOSTICS)DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)DTC B1100: INTEG. UNIT SYSTEM ERRORTROUBLE SYMPTOM
2014 Subaru Impreza Sport Limited
DTC B1100: INTEG. Unit System Error: Trouble Symptom
2014 Subaru Impreza Sport LimitedSECTION Trouble Symptom
LAN communication immobilizer function may not be executed normally.
DTC PROCEDURE
| Step | Check | Yes | No |
|---|---|---|---|
| 1 CHECK DTC. Check DTC indicated by body integrated unit. |
Is B1100 current malfunction? | Go to step 2 . | Temporary EEPROM access error occurred. |
2 CHECK CONNECTOR.
|
Is B1100 current malfunction? | Replace the body integrated unit. < Ref. to REMOVAL , Body Integrated Unit.> | Temporary EEPROM access error occurred. |
RENDER: 1.0x
NO RELATED
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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.