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 DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 12 (LAN SYSTEM (DIAGNOSTICS) (HYBRID))DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)DTC U0327: SOFTWARE INCOMPATIBILITY WITH VEHICLE SECURITY CONTROL MODULETROUBLE SYMPTOM
2014 Subaru Impreza Sport Limited
DTC U0327: Software Incompatibility With Vehicle Security Control Module: Trouble Symptom
2014 Subaru Impreza Sport LimitedSECTION Trouble Symptom
WARNING: This page is about a different car, the 2014 Subaru XV Crosstrek. However, it is still accessible from the selected car via links, so may be relevant.
Cooperation control of keyless access does not operate properly.
DTC PROCEDURE
| Step | Check | Yes | No |
|---|---|---|---|
| 1 CHECK PERFORMING OF BASIC DIAGNOSTIC PROCEDURE. | Was the basic diagnostic procedure performed up to STEP 3? | Go to step 2 . | Perform the basic diagnostic procedure. < Ref. to BASIC DIAGNOSTIC PROCEDURE .> |
| 2 CHECK DTC. Check the displayed DTC. |
Is U0327 a current malfunction? | Go to step 3 . | Go to step 6 . |
| 3 CHECK DTC. Using the Subaru Select Monitor, read DTC of all the systems. |
Is the smart data no-receive detected in several modules? | Replace the keyless access Control Module. < Ref. to KEYLESS ACCESS Control Module .> | Go to step 4 . |
4 REPLACE MODULE.
|
Is U0327 a current malfunction? | Go to step 5 . | System is normal.
NOTE:
Be sure to perform keyless access Control Module registration.
|
5 CHECK MODULE.
|
Is U0327 a current malfunction? | Replace the keyless access Control Module. < Ref. to KEYLESS ACCESS Control Module .> | System is normal. |
6 CHECK HARNESS.
|
Is U0327 a current malfunction? | Repair the poor contact of harness, or replace the harness. | Go to step 7 . |
| 7 CHECK CONNECTOR. Check the connector used for high speed CAN for poor contact. |
Is there poor contact of connector? | Repair the connector that has poor contact, or replace harness. | It is possible that temporary poor communication occurs. Delete the DTC. |
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.