Failure of the vehicle's speed sensor can cause speedometer and the cruise control to become inoperative. A failed speed sensor will require replacement.Google+
Car Problem Reports
Nissan Maxima Vehicle Speed Sensor May Fail and Cause Speedometer to Stop Working
Nissan Maxima Problem
Average Mileage: 185,333 mi (126,000 mi - 230,000 mi)
Speedo works part time and Cruise Control does not work. Engine light is on
Visitor, 1991 Nissan Maxima, 230,000 mi
Going to replace the speed sensor and cable.