DTC B2772: Control Module Communication Stuck: Trouble symptom

Communication is impossible with Subaru Select Monitor.
Can not be locked/unlocked with keyless entry system.
CAUTION: Before performing diagnosis, refer to "CAUTION" in "General Description". Ref. to KEYLESS ENTRY (DIAGNOSTICS)>GENERAL DESCRIPTION>CAUTION .

CHECK DTC .
1. Turn the ignition switch to OFF.
2. Disconnect the TPMS & keyless entry Control Module connector or keyless entry Control Module connector.
3. Connect the disconnected connectors.
4. Using the Subaru Select Monitor, perform the clear memory of [Keyless Entry]. Ref. to COMMON(DIAG)>CLEAR MEMORY .
5. Turn the ignition switch to OFF.
6. Turn the ignition switch to ON.
7. Read the DTC of [Keyless Entry] using the Subaru Select Monitor. Ref. to KEYLESS ENTRY (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .
Is DTC B2772 displayed? (Current malfunction)

Yes : Replace the TPMS & keyless entry Control Module or keyless entry Control Module. Ref. to SECURITY AND LOCKS>KEYLESS ENTRY CONTROL MODULE .

No : Even if DTC is displayed, the circuit has returned to a normal condition at this time.

Reproduce the failure, and then perform the diagnosis again.

NOTE: In this case, temporary poor contact of connector, temporary open or short circuit of harness may be the cause.