DTC B1E00: Registration Fault Of Authentication Unit

DTC detecting condition:

The communication key of the central gateway control module does not match other control modules after performing module registration (verification).

Trouble symptom:

Authentication communication with the stereo camera is not possible. (Communication error occurs in modules that conduct MAC communication with the stereo camera. Related failures occur.)

CAUTION:

Before performing diagnosis, refer to "CAUTION" in "General Description". Ref. to CENTRAL GATEWAY (DIAGNOSTICS)>GENERAL DESCRIPTION>CAUTION

PERFORM MODULE REGISTRATION (UPDATE) .
1. Turn the ignition switch to ON.
2. Using the Subaru Select Monitor, perform central gateway control module registration (update). Ref. to COMMON (DIAGNOSTICS)>UNIT REGISTRATION
Is the module registration (update) completed successfully?

Yes : Module registration is completed successfully.

Using the Subaru Select Monitor, perform the clear memory of [Central Gateway] and finish the diagnosis. Ref. to COMMON (DIAGNOSTICS)>CLEAR MEMORY

No : Go to 2.
CHECK ERROR SCREEN .
Check the error message displayed on the Subaru Select Monitor.

Is the error message as follows?
- Connection with the SUBARU server could not be confirmed.
Yes : Go to 3.

No : Go to 5.
CHECK COMMUNICATION ENVIRONMENT .
Check that there is Internet connection.

Is it connected to the Internet?

Yes : Go to 4.

No : Connect to the Internet and perform registration again.
CHECK SUBARU SERVER .
Check the SUBARU server downtime.

Is the SUBARU server running normally?

Yes : Go to 1.

No : When the SUBARU server runs normally, Go to 1.
CHECK ERROR SCREEN .
Check the error message displayed on the Subaru Select Monitor.

Is the error message as follows?
- The Diagnostic Server Connection Authentication Key is incorrect. Please enter again.
Yes : Enter the SUBARU server connection authentication key. After connecting to the SUBARU server, Go to 1.

No : Go to 6.
CHECK ERROR SCREEN .
Check the error message displayed on the Subaru Select Monitor.

Is the error message as follows?
- Server connection authentication failed. Please check the expiration date of License Activation. If it has expired, please apply for activation again. "LOG No":
Yes : Go to 7.

No : Go to 8.
CHECK LICENSE EXPIRATION DATE .
Perform license activation on the license activation screen displayed when starting the Subaru Select Monitor.

Is the license activated successfully?

Yes : Go to 1.

No : Select "Option" → "Help" → "Version Information" from the Main Menu of the Subaru Select Monitor and check the expiration date. If the license has expired, apply for Subaru Select Monitor license activation again. After license activation, Go to 1.
CHECK ERROR SCREEN .
Check the error message displayed on the Subaru Select Monitor.

Is the error message as follows?
- Server connection authentication failed. Check the diagnostic server connection authentication key. Please re-enter. "LOG No":
Yes : Go to 9.

No : Go to 10.
CHECK SUBARU SERVER CONNECTION AUTHENTICATION KEY .
Check the SUBARU server connection authentication key obtained from SUBARU.

Is the SUBARU server connection authentication key correct?

Yes : Enter the SUBARU server connection authentication key, and Go to 1.

No : Contact SUBARU to check if the SUBARU server connection authentication key is correct. Obtain a correct SUBARU server connection authentication key, and Go to 1.
CHECK ERROR SCREEN .
Check the error message displayed on the Subaru Select Monitor.

Is the error message as follows?
- The server connection authentication failed continuously. Please try again later. "LOG No":
Yes : The connection button was pressed repeatedly with a wrong SUBARU server connection authentication key. Use a correct SUBARU server connection authentication key to connect later.

No : Go to 11.
CHECK ERROR SCREEN .
Check the error message displayed on the Subaru Select Monitor.

Is the error message as follows?
- Server connection authentication failed. Can not communicate with the Server. Please check current environment and try again.
Yes : Go to 3.

No : Go to 12.
CHECK ERROR SCREEN .
Check the error message displayed on the Subaru Select Monitor.

Is the error message as follows?
- Battery voltage is low. Check the condition of the vehicle and try again. End processing.
Yes : Perform the diagnosis for LAN system Ref. to LAN SYSTEM (DIAGNOSTICS)>GENERAL DESCRIPTION>INSPECTION>INSPECTION WITHOUT USING CAN DIAGNOSTIC , and Go to 1.

No : Go to 13.
CHECK ERROR SCREEN .
Check the error message displayed on the Subaru Select Monitor.

Is the error message as follows?
- Diagnostic Communication Error. End processing An Error occurred in the following ECUs.
Yes : Check the connector connection between the ECM displayed on the error screen and the data link connector, and Go to 1.

Even after this procedure, if this error message is displayed again, replace all the ECMs displayed on the error screen, and Go to 1.

No : Go to 14.
CHECK ERROR SCREEN .
Check the error message displayed on the Subaru Select Monitor.

Is the error message as follows?
- Error occurred during Upload/Download. End processing Error code:
- Timeout has occurred in Upload/Download. End processing.
Yes : After a while, Go to 1.

No : Go to 15.
CHECK ERROR SCREEN .
Check the error message displayed on the Subaru Select Monitor.

Is the error message as follows?
- Failed to update MAC Key. End processing.
Yes : Check the connector connection between the ECM displayed on the error screen and the data link connector, and Go to 1.

Even after this procedure, if this error message is displayed again, replace all the ECMs displayed on the error screen, and Go to 1.

No : Go to 1.