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Communication For Initializing Impossible: Trouble Symptom

WARNING: This page is about a different car, the 2014 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.

Communication is impossible between the power rear gate control module and Subaru Select Monitor.

Step Check Yes No
1 CHECK OTHER COMMUNICATION 
Perform communication with the system other than the power rear gate control module using the Subaru Select Monitor.
Is the communication to other control module possible? Go to step 2  . Perform the "COMMUNICATION FOR INITIALIZING IMPOSSIBLE " of LAN system. < Ref. to PROCEDURE , Basic Diagnostic Procedure. >
2 CHECK LAN SYSTEM. 
Inspect LAN system. < Ref. to PROCEDURE , Basic Diagnostic Procedure. >
Is DTC U1602 detected? Perform the inspection according to the diagnosis for LAN system. It is possible that temporary poor communication occurs.