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: 103,219 mi (45,000 mi - 196,000 mi)
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, 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, 56,000 mi
the CD button will not let me go to XM, radio or CD Player
Visitor, 2004 Acura TSX, 149,000 mi
Link to the thread that describes this issue perfectly.
Visitor, 2004 Acura TSX, 100,000 mi
All my entertainment lights and climate control lights aren't working, pretty much blackout in my car at night.
Visitor, 2004 Acura TSX, 97,000 mi
Nav disk reading error
Visitor, 2004 Acura TSX, 196,000 mi
all the back lights don't turn on the function still work