The illumination of the entertainment/navigation screen and switches may fail. This is generally caused by a failed circuit board. Acura has extended the warranty on the audio display unit to 7 years or 105,000 miles for the 2004 model year only.Google+
Car Problem Reports
Acura TSX Illumination of Entertainment/Navigation Screen and Switches May Fail
Acura TSX Problem
Average Mileage: 106,584 mi (49,000 mi - 196,000 mi)
Visitor, 2004 Acura TSX, 98,600 mi
The climate control lights along the navagation screen and the gear shifter lights aren't working either.
Visitor, 2004 Acura TSX, 109,900 mi
Illumination of entertainment/navigation screen and switches has failed.
Visitor, 2005 Acura TSX, 146,000 mi
Light for ac and audio display does not work...Sometimes comes back on during the night then dims until you can no longer see it...
Visitor, 2004 Acura TSX, 135,000 mi
Navigation screen goes black and then comes back again but then goes black.
Visitor, 2005 Acura TSX, 97,000 mi
the Audio stopped working
Visitor, 2004 Acura TSX, 196,000 mi
all the back lights don't turn on the function still work
Visitor, 2004 Acura TSX, 79,600 mi
Console went dark.
Visitor, 2004 Acura TSX, 60,000 mi
Fixed under warranty
navigation/entertainment seen without picture or illumination