A Y2K-like bug knocked out the city’s already-troubled wireless network system.The bug, known as the “GPS Rollover,” hit the city’s NYCWiN system on April 6, affecting several tasks including remote monitoring of traffic lights at 13,000 intersections, wireless reading of water meters, and a handful of NYPD license plate readers.
Source: Y2K-like bug knocks out the city’s wireless network system – New York Daily News
Ericson Report 