DTC U0401: Invalid Data Received From ECM/PCM "A"
WARNING: This page is about a different car, the 2019 Ford F-550 Super Duty, 2019 Ford F-450 Super Duty, 2019 Ford F-350 Super Duty, and 2019 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
| Failure | Action |
|---|---|
| 00 | GO to PINPOINT TEST AI |
| 02 | GO to PINPOINT TEST AI |
| 86 | GO to PINPOINT TEST OA |