Symptom Chart: Auto-Start-Stop System
WARNING: This page is about a different car, the 2020 Ford F-150. 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 .
| 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 ENGINE CONTROLS - INTRODUCTION (EXCEPT DIESEL & HYBRID) for proper system operation. |
| Electronic Control Modules | RETRIEVE all Continuous Memory Diagnostic Trouble Codes (CMDTCs). For PCM Diagnostic Trouble Codes (DTCs), REFER toPCM 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) |