Note On Intermittents
WARNING: This page is about a different car, the 1990 Cadillac Seville and 1990 Cadillac Eldorado. However, it is still accessible from the selected car via links, so may be relevant.
If Code EO60 is stored a history code, select ECM data ED72. Manipulate harness while observing status of switch. If switch changes status as wiring is being manipulated, repair intermittent connections. If no trouble code is found, code may have been set if transmission was inadvertently put into NEUTRAL while cruise control was engaged.