Symptom: The user experiences no communication between the EDX and the GPS console. The "Power" LED is illuminated but the "Status" LED is not.
Cause: This is caused by a defective SBC module in the EDX ECU. The user has made sure the ECU rocker switch is in the steer position and the cable interfaces are as per the installation guide.
Resolution: Correction is obtained only through repair or replacement of the defective EDX ECU.