Symptom Chart

WARNING: This page is about a different car, the 2007 Mercury Mariner and 2007 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.

Symptom Chart

Condition	Possible Sources	Action
No communication with the powertrain control module (PCM)	Circuitry PCM	REFER to MODULE COMMUNICATIONS NETWORK article.
The speed control is inoperative	Fuse Circuitry Powertrain control module (PCM) not configured for speed control Clockspring PCM Speed control switch	Go to Pinpoint Test J .
The speed control switch is inoperative	PCM Speed control switch	Go to Pinpoint Test J .
The speed control indicator lamp is always on	Circuitry Instrument cluster PCM	REFER to INSTRUMENT CLUSTER article.