APP_w260 — Collision Warning Event

Full alert identifier: APP_w260_collisionWarningEvent

Alert description

The Autopilot electronic control unit (ECU) has detected that a potential collision is about to occur and has logged a Forward Collision Warning (FCW) or Brake Capacity Warning (BCW) event.

Potential impact

If Traffic-Aware Cruise Control (TACC) is not engaged, only a User Interface (UI) warning will be displayed along with an audio chime. When Traffic-Aware Cruise Control (TACC) is active, the vehicle will display a UI warning and temporarily slow down to avoid a collision.

Set condition

A Forward Collision Warning (FCW) or Brake Capacity Warning (BCW) event was detected based on distance to, relative speed of, and relative acceleration of detected object; also based on vehicle speed, driver reaction time, required deceleration to prevent collision, and the driver's FCW sensitivity setting.

Clear condition

This alert is cleared automatically when Forward Collision Warning (FCW) is no longer active.

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
Driver Reaction Time `APP_sw260_driver_reaction_time`	s
Driver Reqd Accel `APP_sw260_driver_reqd_accel`	m/s2
Ego Speed `APP_sw260_ego_speed`	m/s
Target Ax `APP_sw260_target_ax`	m/s2
Target Dx `APP_sw260_target_dx`	m
Target Vx `APP_sw260_target_vx`	m/s

Signal	Unit
User Sensitivity `APP_sw260_user_sensitivity` 0 AEB SENSITIVITY EARLY 1 AEB SENSITIVITY AVERAGE 2 AEB SENSITIVITY LATE 3 SNA	—

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of APP_w260.