Symptom Chart - BLIS®
WARNING: This page is about a different car, the 2021 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
| Condition | Action |
|---|---|
| A module does not respond to the diagnostic scan tool | GO to Pinpoint Test G |
| The BLIS® is inoperative or does not function correctly | GO to Pinpoint Test A |
| The BLIS® has poor or inconsistent performance | GO to Pinpoint Test A |
| The BLIS® message center warnings are not displayed and the exterior mirror BLIS®/ CTALED does not illuminate | GO to Pinpoint Test A |
| Trailer isn't identified in the message center (BLIS® with Trailer Tow) | GO to Pinpoint Test A |
| An exterior mirror BLIS®/ CTALED is always on | GO to Pinpoint Test C |
| An exterior mirror BLIS®/ CTALED does not illuminate | GO to Pinpoint Test D |
| The IPC message center displays a blocked sensor message | GO to Pinpoint Test E |
| The BLIS® cannot be turned off in the message center | GO to Pinpoint Test F |
| The IPC message center or the LH upper steering wheel switch is not operating correctly | GO to Pinpoint Test H |