If you own or lease a 2011-2016 Chevrolet Silverado Duramax diesel or a GMC Sierra Duramax diesel, you may be entitled to participate in the litigation involving this alleged fraud. Contact Hagens Berman to find out more about this issue and your consumer rights against GM.The Three Defeat Devices Attorneys bringing the case against GM and Bosch identified three total defeat devices through independent testing of the diesel vehicles for more than 3,500 miles and over a range of conditions:
- One defeat device was detected in stop-and-go testing with temperatures above 86ºF allowing NOx emissions at 2.4 times the legal emissions standard.
- Another defeat device was detected in stop-and-go testing at temperatures below 68ºF, in which NOx was emitted at 2.1 times the emissions standard.
- The third defeat device was detected after the vehicle has been run for 200-500 seconds of steady speed operation on average by a factor of 4.5 in all temperature windows.