Inquiry About Replacement Circuit Boards for Gran Turismo DD Pro Wheel Base

Hello Fanatec Community,
I am looking for advice or official guidance regarding replacement parts for my Fanatec Gran Turismo DD Pro Wheel Base (8Nm + 5Nm versions). Specifically, I’m interested in obtaining the following circuit boards:
1. The main rear circuit board (visible on the back of the unit once the casing is removed).
2. The smaller board located directly beneath it, which appears to handle specific connections (as shown in the attached pictures).
Recently, I’ve been troubleshooting issues with power and connection stability, and it seems like these components may need replacing. Unfortunately, I haven't found clear information on whether these boards are available for purchase as standalone parts or if repairs are only available through Fanatec’s service process.
If anyone has experience purchasing these circuit boards or has gone through similar repairs, I’d greatly appreciate any guidance. Alternatively, if Fanatec staff sees this, could you confirm if these parts can be ordered or if I need to proceed with a full RMA?
Thanks in advance for your help!
Best regards, Tommie
Comments
I recently asked about a motherboard for DD1 and they told me that they don't sell main boards as spare parts.
If you send them the wheel base, they will probably fix it or change the motherboard, but in my case, since I am from Latin America, it is impossible for me to do that due to cost issues.
PD: What I didn't ask is if it's possible to just send the motherboard