DTC B2C03: RL Sonar Control Module Circuit

Outline of diagnosis: 

Detect the malfunction of the RAB control module.

Time needed for diagnosis: 

1200 ms

Recovery conditions: 

Ignition switch OFF → ON

1. CHECK DTC. 

   Read the DTC relating «Reverse Automatic Braking» using the Subaru Select Monitor. Ref. to REVERSE AUTOMATIC BRAKING (DIAGNOSTICS)>Read Diagnostic Trouble Code (DTC) .

   Is a DTC other than DTC B2C03 displayed? (Current malfunction)

   Yes

   Perform the diagnosis for DTC other than DTC B2C03.

   No

   Replace the RAB control module. Ref. to REVERSE AUTOMATIC BRAKING>REVERSE AUTOMATIC BRAKING CONTROL MODULE .