Waymo · United States · High
Waymo 5TH Generation Ads, 6TH Generation Ads: Electrical system — software
Affects Waymo 5TH Generation Ads, 6TH Generation Ads · — — about 4K vehicles.
The hazard
Entering a flooded roadway can cause a loss of vehicle control, increasing the risk of a crash or injury.
What to do
The remedy is currently under development. As an interim remedy, Waymo modified the scope of vehicle operations to increase weather-related constraints and updated the vehicle maps. All affected vehicles received the interim update by April 20, 2026.
Critical — crash/injury risk now
High — injury risk; see remedy
Moderate — fix at next service
Low — minor / informational