One problem related to brake light on has been reported for the 2004 Acura TL. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Acura TL based on all problems reported for the 2004 TL.
Vsa/abs module failure. Abs, vsa and brake lights come on dash board. Told potential issue could be brakes could lock up so needs to be fixed.