Upgrading from the MSD80 to the MSD81 will resolve these internal fault codes. 

30BA DME digital motor electronics, internal failure
30BB DME digital motor electronics, internal failure
 
If you have a tune on your MSD80, it will not carry over to the MSD81. You will need to have tuner adjust or apply another OTS map. 

We will program your injector values if provided or we can pull them from your existing DME. 

Mail in address is provided after purchase.