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.
2025 Subaru Outback BaseFACTORY OEM SERVICE PROCEDURE
Server Connection
| Error message | Cause | Corrective action |
|---|---|---|
| Connection with the SUBARU Server could not be confirmed. | The computer cannot be connected to the Internet. | Check that the computer is connected to the Internet. |
| The SUBARU server is down. | Check the SUBARU server downtime. | |
| The Diagnostic Server Connection Authentication Key is incorrect. Please enter again. | The SUBARU server connection authentication key is not entered. | Enter the SUBARU server connection authentication key. |
| Server connection authentication failed. Please check the expiration date of License Activation. If it has expired, please apply for activation again. "LOG No": | The Subaru Select Monitor license is not activated. | If the license has not been activated: Perform Subaru Select Monitor license activation on the license activation screen displayed when starting the Subaru Select Monitor. |
| If the license activation has expired: Select "Option" → "Help" → "Version Information" from the Main Menu and check the expiration date. If the license has expired, apply for Subaru Select Monitor license activation again. |
||
| Server connection authentication failed. Check the diagnostic server connection authentication key. Please re-enter. "LOG No": | A wrong SUBARU server connection authentication key was entered. | Contact the authorized workshop for a correct SUBARU server connection authentication key and enter the key again. |
| The server connection authentication failed continuously. Please try again later. "LOG No": | The connection button was pressed repeatedly with a wrong SUBARU server connection authentication key. | Enter a correct SUBARU server connection authentication key later. |
| Server connection authentication failed. Can not communicate with the Server. Please check current environment and try again. | The computer cannot be connected to the Internet. | Check that the computer is connected to the Internet. |
| The SUBARU server is down. | Check the SUBARU server downtime. | |
| Error occurred while communicating with the Server | No response from the SUBARU server or the response time is too long. | Perform the operation again from the beginning. |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.