APP_w189 — Backup Camera Stream Exit

Full alert identifier: APP_w189_backupCameraStreamExit

Alert description

The rear view (backup) camera stream to the Autopilot electronic control unit (ECU) exits or is interrupted, which may prevent the rear view camera feed from being shown on the vehicle touchscreen.

Potential impact

Autopilot functionality may be limited or unavailable. The rear view (backup) camera feed may also not be shown on the touchscreen.

Set condition

The backup camera stream exits or is interrupted.

Clear condition

The backup camera stream returns.

Signals to check

These diagnostic fields are associated with APP_w189. Check the alert's Alert Log in Service Mode Plus for available values.

Signal	Unit
Buffer Error `APP_sw189_bufferError`	—
Current Temperature `APP_sw189_currentTemperature` 255 SNA	degC
Deser Crc Error `APP_sw189_deserCrcError`	—
Deser Line Length Error `APP_sw189_deserLineLengthError`	—
Deser Lock Error `APP_sw189_deserLockError`	—
Deser Parity Error `APP_sw189_deserParityError`	—
Exit Status `APP_sw189_exitStatus` 0 NOMINAL 1 FAULT	—
First Frame Grab Failure `APP_sw189_firstFrameGrabFailure`	—

Show 8 more fields

Signal	Unit
Frame Grab Failure `APP_sw189_frameGrabFailure`	—
Gain Control Failure `APP_sw189_gainControlFailure`	—
Imager Heartbeat `APP_sw189_imagerHeartbeat` 0 NOMINAL 1 STATIC 3 SNA	—
Max Temperature `APP_sw189_maxTemperature` 255 SNA	degC
Min Temperature `APP_sw189_minTemperature` 255 SNA	degC
Num Capture Recoveries `APP_sw189_numCaptureRecoveries`	—
Serializer Crc Err Count `APP_sw189_serializerCrcErrCount` 255 SNA	—
Temp Monitor Failure `APP_sw189_tempMonitorFailure` 0 MONITOR NO FAILURE 1 OUT OF SPEC 2 MONITOR OTHER FAILURE	—

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of APP_w189.