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 - Description & Operation (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 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
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) . |