2012 3500HD Diesel with check engine light Code is P2BAD

P2BAD - OBD2 Trouble Code p2bad 862K views · 13:58 Go to channel · Peugeot Boxer P2A00 NOX Sensor P2BAD P20EE O p2bad P2BAD NOx Exceedence – Root Cause Unknown P2BAD NOx Exceedence

p2bad P2BAD: what does that error code mean? i have an engine light on my 2012 GMC drama w 160k miles and my programmer says it is P2BAD what