The check engine light lit on my 95 Sentra 1.6. Car ran fine, could detect no problem. I had it analized & code indicated the speed sensor. We cleared the error code & the light went off. That afternoon and 400 miles later the light came back on & the cruise control stopped working briefly. My daughter has the car at college so I made arrangements for the local dealer there to order the sensor & install it. When finished, my daughter picked up the car & noticed that the speedometer did not work (it worked when she left the car). She took it back. They analized & determined that the speedometer head was bad; part alone is over $200. They won't even consider that the replacement speed sensor may be bas because of the speedometer error code, just a coincidence, they say. We have also determined that the cruise control & odometer are not working. My question: does the cruise go thru the speedometer, or does it work off the speed sensor via the cpu. Thanks.