NHTSA Complaint #11022589 — 2012 GMC SIERRA 2500

ENGINE issue reported to NHTSA

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Complaint Details

ODI Number	11022589
Vehicle	2012 GMC SIERRA 2500
Component	ENGINE
Date of Incident	August 28, 2017
Date Filed	September 11, 2017
Mileage	87,000 miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	AR

Consumer Description

EMISSIONS FAILURE. NOX SENSOR, DEF SYSTEM. DRIVING, DISPLAY STATES, POOR DEF QUALITY. TOOK IN FOR REPAIR, STILL DEF QUALITY. TRUCK HAS SLOWED TO 55MPH, WILL SLOW TO 4 MPH IN 39 MILES. THEY ARE TROWING PARTS AT IT AT MY EXPENSE. CAN'T PROPERLY DIAGNOSE. THIS PROBLEM IS FROM 2010- CURRENT MODELS OF THESE DIESELS.

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