Symptom Chart

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

Symptom Chart

Condition	Possible Sources	Action
The powertrain control module (PCM) does not respond to the scan tool, or no high speed controller area network (HS-CAN) communication	Fuse Circuitry PCM Restraints control module (RCM) Occupant classification sensor module Four wheel drive (4WD) control module Instrument cluster Smart junction box (SJB)	Go to Pinpoint Test A .
The anti-lock brake system (ABS) module does not respond to the scan tool	Fuse Circuitry ABS module	Go to Pinpoint Test B .
The restraints control module (RCM) does not respond to the scan tool	Fuse Circuitry RCM	Go to Pinpoint Test C .
The smart junction box (SJB) does not respond to the scan tool	Fuse Circuitry SJB	Go to Pinpoint Test D .
The instrument cluster does not respond to the scan tool	Fuse Circuitry Instrument cluster	Go to Pinpoint Test E .
The four wheel drive (4WD) control module does not respond to the scan tool	Fuse Circuitry 4WD control module	Go to Pinpoint Test F .
No high speed controller area network (HS-CAN) communication, all modules are not responding	Fuse Circuitry PCM RCM Occupant classification sensor module 4WD control module Instrument cluster SJB	Go to Pinpoint Test A .
No International Standards Organization (ISO) 9141 network communication	Circuitry ABS module	Go to Pinpoint Test G .
No power to the scan tool	Fuse Circuitry Scan tool	Go to Pinpoint Test H .