Waymo has issued a software fix after another one of its robotaxis suddenly crashed into a telephone pole during one of its operations in Phoenix, Arizona.
In a statement to The Verge, Waymo claimed the latest update is meant to fix a "mapping and software issue" to help its robotaxis account for hard road edges in alleyways and narrow curbs.
Local reports noted that the vehicle was unoccupied during the incident and that the Waymo car only caused "low damage" to the vehicle.
This is the second system recall Waymo has made this year. A software fix was issued earlier to 444 vehicles after two minor collisions were reported last February.
The incident came amidst an ongoing regulatory probe on the company after regulators received 22 reports of Waymo cars exhibiting "unexpected behavior" and potentially violating road safety rules.
US Regulators Seek Additional Details on Waymo Robotaxis
Amid ongoing investigations, the National Highway Traffic Safety Administration is currently seeking additional details from Waymo about its self-driving system, Reuters reported.
The agency particularly wanted to know if any vehicles involved in the previously reported 17 collisions were grounded or received adequate updates to address the issue.
The inquiries came as the NHTSA claimed that many of the collisions are incidents "a competent driver would be expected to avoid," including crashing into "clearly visible" and "stationary" objects.
Waymo is expected to answer the additional inquiries on Aug. 6, as the company provides the NHTSA comprehensive details on all of its robotaxis' public road travels.
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Regulators Crack Down on Self-Driving Cars
Waymo is not the only robotaxi service currently facing regulatory scrutiny as more road incidents involving self-driving systems have been reported.
The NHTSA has already opened an investigation into General Motors' Cruise and Amazon's Zoox after both ride-hailing services were also involved in several road collisions.
Cruise, in particular, dragged a pedestrian 20 feet last year, prompting regulators to revoke its license to operate in California.
These are in addition to Tesla also facing potential class-action lawsuits over its "full self-driving" EVs amid its plans to launch a robotaxi venture.
