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DTC U0077: Local Can Communication Bus Off

Outline of diagnosis:

Local communication is faulty.

Time needed for diagnosis:

500 ms

Recovery conditions:

Ignition switch OFF → ON

CAUTION: Before performing diagnosis, refer to "CAUTION" in "General Description". Ref. to REVERSE ASSIST BRAKING (DIAGNOSTICS)>GENERAL DESCRIPTION>CAUTION .

CHECK DTC .
1. Turn the ignition switch to ON.
2. Read the DTC of [Reverse Assist Braking] using the Subaru Select Monitor. Ref. to REVERSE ASSIST BRAKING (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .
Is a DTC other than DTC U0077 displayed? (Current malfunction)

Yes: Perform the diagnosis for DTC other than DTC U0077. Ref. to REVERSE ASSIST BRAKING (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC)>LIST .

No: Replace the RAB control module. Ref. to REVERSE ASSIST BRAKING>REVERSE ASSIST BRAKING CONTROL MODULE .