APP_w331 — Fsd Degraded Unavailable
Full alert identifier: APP_w331_fsdDegradedUnavailable
Alert description
Full Self-Driving (FSD) functionality is limited or unavailable.
Potential impact
FSD functionality may be unavailable, or may not function as expected, due to the Autopilot ECU relying on degraded sensor input.
Set condition
Any sensor monitored by the Autopilot electronic control unit (ECU) reports an error.
Clear condition
Clears after the Autopilot ECU reboots or when no sensor errors are detected.
Signals to check
These diagnostic fields are associated with APP_w331. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Adverse Road Conditions
APP_
|
— |
Gps Degraded
APP_
|
— |
Invalid Map
APP_
|
— |
L Pillar Occluded
APP_
|
— |
L Repeater Occluded
APP_
|
— |
Poor Weather
APP_
|
— |
R Pillar Occluded
APP_
|
— |
R Repeater Occluded
APP_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of APP_w331.