Still connects and flashes at 10400 just not at Max baud.

this started after i flashed a file that had some bad values (ecu would not boot - can hear throttle plate cycling over and over again - it's happened before).  i recovered with a known good file in boot mode.  cycled the ignition and connected w/ vagcom and everything is normal so far.

then i connect w/ nefmoto and it connects fine using my usual settings.  when i go to write a file it gets stuck at 'negotiating communication timings'

i try fast init and slow init to no avail.  i try disconnecting the ecu from power for an hour and this does not work.  then i try 10400 baud and it works (just slower).

i've flashed this ecu using fast init and max baud probably 100 times with no problems.

has anyone experienced this before?