Symptom Chart

WARNING: This page is about a different car, the 2007 Ford Pickup, 2007 Ford F550 Super Duty, 2007 Ford F450 Super Duty, and 2007 Ford Cab & Chassis. 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 Anti-lock brake system (ABS) module Instrument cluster PCM Trailer brake control (TBC) module	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 instrument cluster does not respond to the scan tool	Fuse Circuitry Instrument cluster	Go to Pinpoint Test C .
The trailer brake control (TBC) module does not respond to the scan tool	Fuse Circuitry Vehicle is not equipped with optional module TBC module	Go to Pinpoint Test D .
The electronic automatic temperature control (EATC) module does not respond to the scan tool	Fuse Circuitry EATC module	Go to Pinpoint Test E .
The vehicle security module does not respond to the scan tool	Fuse Circuitry Vehicle security module	Go to Pinpoint Test F .
The four wheel drive (4WD) control module does not respond to the scan tool	Fuse Circuitry 4WD control module	Go to Pinpoint Test G .
The restraints control module (RCM) does not respond to the scan tool	Fuse Circuitry RCM	Go to Pinpoint Test H .
The parking aid module does not respond to the scan tool	Fuse Circuitry Parking aid module	Go to Pinpoint Test I .
No high speed controller area network (HS-CAN) communication, all modules are not responding	Circuitry ABS module Instrument cluster PCM Trailer brake control module	Go to Pinpoint Test A .
No universal asynchronous receiver-transmitter (UART)-based protocol (UBP) network communication	Circuitry EATC module Instrument cluster Vehicle security module	Go to Pinpoint Test J .
No International Standards Organization (ISO) 9141 network communication	Circuitry RCM Data link connector (DLC) Parking aid module 4WD control module	Go to Pinpoint Test K .
No power to the scan tool	Fuse Circuitry Scan tool	Go to Pinpoint Test L .