Symptom Chart

WARNING: This page is about a different car, the 2008 Mercury Mariner and 2008 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 PCM	Wiring, terminals or connectors PCM	REFER to MODULE COMMUNICATIONS NETWORK article.
The speed control is inoperative	Fuse Wiring, terminals or connectors 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	Wiring, terminals or connectors Instrument cluster (IC) PCM	REFER to INSTRUMENT CLUSTER (IC), MESSAGE CENTER, AND WARNING CHIMES article.