Faulty Radio Display, 2001 330

Hi Folks,
My 2001 330cic is out of extended warranty, so now the fun begins. First, the resistor on my Heater/AC blower motor, now this. My original equipment radio, the Business CD model, started showing me some strange displays. Instead of radio station or CD tracks, I get a dimmed 'CT' when the radio is on, and 'M' if the radio is off. The radio and CD player work fine, it's just the display that's faulty.

Does anyone know a DIY solution or place to start? It's not the biggest of problems, but I would like a solution somewhere between live with it/electrical tape over the display and radio replacement. Any thoughts appreciated.

Craig
Alexandria, Virginia