DTC B2A03 GPS Antenna Circuit: Trouble symptom

• Telematics function cannot be used.
• RED LED illuminates.
  CAUTION: CommCheck is required after replacing the DCM. Ref. to ENTERTAINMENT>Telematics System>OPERATION>REGISTRATION (COMM CHECK) .

Fig 1: GPS Antenna Diagnostics Flowchart

Courtesy of SUBARU OF AMERICA, INC.