Symptom Chart

WARNING: This page is about a different variant/trim than selected.

Diagnostics in this service information assume a certain skill level and knowledge of Ford-specific diagnostic practices.

REFER to: DIAGNOSTIC METHODS .

In most circumstances, the PCM sets Diagnostic Trouble Codes (DTCs) to help guide with diagnostics. Refer to the DTC Chart in DTC Chart Powertrain Control Module (PCM) before using the symptom chart. The Condition column lists the vehicle condition. The Source column list a detailed vehicle condition. The Action to column lists the action be performed to determine the cause of the condition. Each action lists the components that can cause the system and the individual components in that system. The components are listed in order of disassembly. Use the list of components and the required action to focus on disassembly inspections for the root cause of the concern.

Condition	Source	Actions
The scan tool does not communicate with the PCM	Connectors damaged or pushed-out terminals or loose wires	REFER to: NO COMMUNICATION BETWEEN THE INTEGRATED DIAGNOSTIC SYSTEM (IDS) AND THE VEHICLE .
The scan tool does not communicate with the PCM	PCM	GO to PINPOINT TEST AO
Vehicle will not start	Low battery	CHECK for Diagnostic Trouble Codes (DTCs).
	Charging system	REFER to: DIRECT CURRENT/DIRECT CURRENT (DC/DC) CONVERTER CONTROL MODULE .
	Interconnect open	CHECK for Diagnostic Trouble Codes (DTCs). REFER to: HIGH VOLTAGE BATTERY, MOUNTING AND CABLES .