Note. For circuit reference, see DTC P1554 schematic.
Circuit Description
This test indicates that cruise control and traction control are active at the same time. It is a protective measure to disable the cruise control when traveling on icy roads and traction control requesting a maximum torque of less than one percent. Under these conditions DTC P1570 is set and the cruise control will be disengaged. Vehicle operator should be advised why cruise control disengaged.