DTC B2C02: RRC Sonar Control Module Circuit

Outline of diagnosis: 

Detect the malfunction of the RAB Control Module.

Time needed for diagnosis: 

• 600 ms (when two waves transmitted)
• 1200 ms (when four waves transmitted)

Recovery conditions: 

Ignition switch OFF → ON

1. CHECK DTC  .

   Read the DTC relating the «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 B2C02 displayed? (Current malfunction)

   Yes: Perform the diagnosis for DTC other than DTC B2C02.

   No: Replace the RAB Control Module. Ref. to Reverse Automatic Braking>Reverse Automatic Braking Control Module