As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAKEOFF ROLL WITH POWER AT 100 PERCENT TORQUE, GOT A T6 WARNING. BOTH ENGINES T6 GAUGES WERE LESS THAN 816 DEGREES. NO RED LIGHTS CAME ON THE GAUGE. ABORTED TAKEOFF. REPLACED AURAL WARNING COMPUTER. PERFORMED OPS CHECKS. OPS CHECKS GOOD. P/N 8-0557-11, S/N ON 0427, S/N OFF 0467.