For $29/mo, we provide access to advanced level technicians who will answer your questions on any Macbook board related matter to the best of their knowledge promptly & walk you through how to solve your problem so you can deliver a working board to your customer.
Yup, pretty common fault on these...would be a bitch to fix. If it was liquid, hopes are a bit higher. If it was random or a drop, this will be a nightmare.
No good news about this yet.
I don't know if someone tried to reflash SSD ROM.
Medusa guy sells now a new board adapter for various chips (A4069).
That will fit SSD ROM for A1534 and probably USB-C ROM too.