Symptom Chart

WARNING: This page is about a different car, the 2004 Lincoln Aviator. However, it is still accessible from the selected car via links, so may be relevant.

TROUBLESHOOTING SYMPTOMS REFERENCE

Condition	Possible Sources	Action
No communication with the powertrain control module (PCM)	Battery junction box (BJB) fuse(s): 11 (40A) 40 (15A). Circuitry. PCM.	INTRODUCTION - CNG, FLEX-FUEL & GASOLINE .
The speed control switch is inoperative-no DTCs	Speed control switch.	INSTALL a new speed control switch. REFER to Speed Control Switch .
The speed control is inoperative-no DTCs	Circuitry. Parking brake switch. Digital transmission range (TR) sensor. Low battery voltage.	Go To PINPOINT TEST E .
The speed control indicator lamp is always on	Circuitry. Instrument cluster. Powertrain control module (PCM).	Go To PINPOINT TEST G .