TAS6424-Q1: External cap to GND on OUT pins

Hi,

why is there a 3.3 uF max limit on output capacitance - we say "Limit set by DC-diagnostic timing".  What is the risk?  Is it that the DC Diagnostics could report a short if the cap is much bigger than 3.3 uF?  Would a 3.3 uF cap with 20% tolerance be acceptable?

Thanks,

Sal