Practice question

A vehicle's AEB warning lamp is on with a DTC for 'RADAR sensor performance/blockage.' Outside it is heavily snowing and the grille is packed with snow/ice. What is the most appropriate first action?

  1. Replace the RADAR sensor
  2. Clear the snow/ice from in front of the sensor, then re-evaluate before condemning the sensor
  3. Replace the front bumper
  4. Reflash the engine control module

Answer: B — Clear the snow/ice from in front of the sensor, then re-evaluate before condemning the sensor

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