Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Symptom Chart(s)
Symptom Chart: Starting System
Diagnostics in this service information assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods .
Symptom Chart
| Condition | Possible Sources | Actions |
|---|---|---|
| The engine does not crank | Refer to the Pinpoint Test. | GO to Pinpoint Test A |
| The engine cranks slowly | Refer to the Pinpoint Test. | PERFORM the starter system component test. REFER to Component Test(s) |
| The engine cranks but will not start | Fuses PCM Fuel pump Fuel pump relay Run/start relay Starter Wiring |
Refer to ENGINE CONTROLS - INTRODUCTION (EXCEPT DIESEL & HYBRID) |
| Unusual starter noise | Refer to the Pinpoint Test. | GO to Pinpoint Test B |
| The starter spins but the engine does not crank | Starter motor | INSPECT the starter motor mounting and engagement. REPAIR as necessary. |
| Damaged flexplate | INSPECT the flexplate for damaged, missing or worn teeth. REPAIR as necessary. | |
| The starter does not disengage from the flexplate | Starter relay Wiring, terminals or connectors |
REMOVE the starter relay. If the engine stops cranking, INSTALL a new relay. If the engine continues to crank, REPAIR circuit CDC35 (BU/WH) for a short to voltage. |
| The remote start is inoperative | Remote start feature not enabled Passive Key Hood switch input PCM Wiring, terminals or connectors |
REFER to: Locks, Latches and Entry Systems |
| The remote start has poor range performance | Passive Key or battery After market systems High power devices TV/radio transmission towers RTM |
Diagnose The RKE Transmitter Has Poor Range Performance, REFER to: Locks, Latches and Entry Systems |
Symptom Chart: Auto-Start-Stop System
Diagnostics in this service information assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods .
Symptom Chart
| Condition | Possible Sources | Actions |
|---|---|---|
| Auto-Start-Stop System is inoperative or does not operate correctly | One or more required criteria required for Auto-start-stop operation has not been met. | REFER to owners literature and Refer to ENGINE CONTROLS - INTRODUCTION (EXCEPT DIESEL & HYBRID) |
| Electronic Control Modules | RETRIEVE all Continuous Memory Diagnostic Trouble Codes (CMDTCs). For PCM Diagnostic Trouble Codes (DTCs), REFER to PCM DTC Chart For BCM Diagnostic Trouble Codes (DTCs), REFER to BCM DTC Chart For all other Diagnostic Trouble Codes (DTCs), REFER to: DIAGNOSTIC TROUBLE CODE CHARTS |
|
| Vehicle Battery | Refer to ENGINE CONTROLS - INTRODUCTION (EXCEPT DIESEL & HYBRID) Symptom Charts. | |
| Auto-Start-Stop System cannot be disabled by driver | Wiring, terminals or connectors Auto-start-stop disable switch FCIM |
Refer to AUTO-START-STOP SYSTEM
for schematic and connector information. REFER to BCM DTC Chart Refer to the appropriate Information and Entertainment Systems information for the procedure. |
| All Other concerns | -- | Refer to ENGINE CONTROLS - INTRODUCTION (EXCEPT DIESEL & HYBRID) |
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.