Monitored & Set Conditions
WARNING: This page is about a different car, the 2003 Dodge Dakota. However, it is still accessible from the selected car via links, so may be relevant.
Vehicle Speed Sensor (VSS) signal is monitored when engine coolant temperature is more than 104°F (40°C), Manifold Absolute Pressure (MAP) sensor vacuum is 15-16 in. Hg and engine speed is 1400-3000 RPM. DTC will set when PCM senses no VSS signal for more than 15 seconds on two consecutive trips.