Model X

BCFALCD_a188 — Door Mvmt USS No Change

Full alert identifier: BCFALCD_a188_doorMvmtUSSNoChange

Alert description

The rear door's ultrasonic sensor has detected an object that is likely to be a false positive, and that presumably does not exist.

Potential impact

The rear door might not move, or might stop unexpectedly while opening.

Set condition

The rear door's ultrasonic sensor continually detects an obstacle at a distance that does not change, even though the door should be getting closer to the obstacle as it opens, indicating a false positive.

Clear condition

The rear door's ultrasonic sensor does not detect an obstacle at a constant distance while moving, or the door has come to a full stop.

Signals to check

Open this alert in Service Mode Plus and review the Payload tab. Use the field names below to identify the values shown by your vehicle.

Signal	Unit
Door USS Distance `BCFALCD_a188_doorUSSDistance`	cm
Door USS Magnitude `BCFALCD_a188_doorUSSMagnitude`	%
Door USS Res Period `BCFALCD_a188_doorUSSResPeriod`	ns
Door USS Reverb Time `BCFALCD_a188_doorUSSReverbTime`	us

Signal	Unit
USS Door Asic Temp Zone `BCFALCD_a188_USSDoorAsicTempZone`	—
USS Sens State `BCFALCD_a188_USSSensState` 0 WARM LOW 1 WARM MEDIUM 2 MEDIUM TRACKED 3 COLD LOW 4 LOW TRACKED 5 LOW MODELED 6 MEDIUM MODELED 7 TEMP COMPENSATION	—

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of BCFALCD_a188.