"OVERSPEED Alarm" Message
The overspeed alarm is an operator-control vehicle speed warning designed to alert driver that vehicle speed has exceeded set point. The "Overspeed Alarm" message will appear when vehicle speeds set point and disappear if overspeed alarm is reset or vehicle speed drops to less than set point. Diagnosis of vehicle speed sensor may be required. BCM will display message if the following conditions exist:
- Code B124 not set current.
- Overspeed set point not zero MPH.
- Vehicle speed greater than overspeed set point.