Symptom Chart: Auto-Start-Stop System
WARNING: This page is about a different car, the 2023 Lincoln Nautilus. However, it is still accessible from the selected car via links, so may be relevant.
Diagnostics in this article 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 the service information for proper system operation. |
| 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 - SYMPTOM CHARTS (EXCEPT DIESEL & HYBRID) . | |
| 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 SYSTEM article for the procedure. |
| All Other concerns | -- | Refer to ENGINE CONTROLS - SYMPTOM CHARTS (EXCEPT DIESEL & HYBRID) . |