NHTSA Complaint #10447121 — 2011 GMC SIERRA 2500

ELECTRICAL SYSTEM issue reported to NHTSA

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Complaint Details

ODI Number	10447121
Vehicle	2011 GMC SIERRA 2500
Component	ELECTRICAL SYSTEM
Date of Incident	December 23, 2011
Date Filed	February 8, 2012
Mileage	15,100 miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	NC

Consumer Description

VEHICLE EXHIBITED "LOW COOLANT" WARNING IN DIC AFTER GM DEF RECALL WAS PERFORMED. "LOW COOLANT" WARNING RETURNED AFTER MULTIPLE REPAIRS TO THE COOLANT SYSTEM FROM SERVICING DEALER. FAILURE OF COOLANT SYSTEM RESULTED IN A FAILURE OF THE HEAD GASKET AND WATER INTRUSION INTO THE #7 CYLINDER. VEHICLE IS 12 MONTHS OLD AND HAD 15,000 MILES AT THE TIME OF FAILURE. VEHICLE ALSO EXHIBITED MULTIPLE ELECTRICAL SYSTEM FAILURES INCLUDING: DEAD BATTERY NO START CONDITION MULTIPLE TIMES TRAILER BRAKE SYSTEM FAILURE ENGINE HOUR METER FAILURE INTERMITTENT ELECTRICAL FAILURES FROM DOOR LOCKS, LIGHTS, RADIO. SELLING DEALER RECALIBRATED ECM TWICE, BUT ELECTRICAL ISSUES ARE STILL PRESENT. *TR

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