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Symptom Chart

WARNING: This page is about a different car, the 2016 Ford Taurus. However, it is still accessible from the selected car via links, so may be relevant.
Condition Possible Sources Action
The cruise control is inoperative Refer to the Diagnostic Routine GO to Pinpoint Test A .
The cruise control indicator lamp is never/always on Wiring, terminals and connectors
PCM
IPC
REFER to Instrumentation, Message Center, and Warning Chimes .
The cruise control switch is inoperative/does not operate correctly Refer to the Diagnostic Routine GO to Pinpoint Test C .
The cruise control cannot set above 105 kmh (65 mph), 113 kmh (70 mph), 121 kmh (75 mph), or 129 kmh (80 mph) A MyKey ® restricted key is in use and MyKey ® maximum speed limiter is turned ON VERIFY if a MyKey ® restricted key is in use.