The analog speedometer is working fine but the digital speedo is erratic and reads 0 mph at times. Bouncing all over the place from 27 to 52 etc while the analog stays steady. Started out riding yesterday it wasn’t working at all then when it came to life I noticed how erratic it was reading, when it was reading. I have 2 03 RXDI’s and only one has this problem. Any ideas why only digital one does this? All other functions read normal including lake temp.