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2011 Hyundai SONATA Engine And Engine Cooling Problems, Complaints and Defects

Issue ID	878431
Internal NHTSA #	10423402
Manufacurer	HYUNDAI MOTOR COMPANY
Brand	HYUNDAI
Model	SONATA
Model Year	2011
File date	02/08/11
Component	ENGINE AND ENGINE COOLING
Product type code	VEHICLE
Description of the problem	2011 sonata limited with smart key fob has failed to start a minimum of 7 times in the last 60 days. It appears that sometimes the car does not recognize the smart key and this doesn't change if the smart key is inserted into the center console smart key holder. The batteries have been replaced in the key fob and this does not resolve the problem. When attempting to start the car the computer simply states to depress the brake pedal and push the start button, which i've been doing. The brake pedal often feels hard as a rock almost like it's locked. The normal diagnostic lights and fuel guage does operate but the car doesn't start. I've waited as long as 1/2 hour attempting and re-attempting to start the vehicle. After it starts, the car may work perfectly fine for the next few trips until the problem reappears. This is a worrisome occurence since there is no way to override the smart key fob by inserting an actual key to start the vehicle. Drivers may become stuck at any time.
Vehicle Mileage at Failure	17500
Number of Occurences
Source of the issue	PORTABLE SAFETY COMPLAINT FORM (PDF)
City and State	NORTH POTOMAC, MD
VIN pattern	5NPEC4AC8BHXXXXXX
Was vehicle invloved in a crash?	N
Was vehicle involved in a fire?	N
Was incedent reported to police?
Was medical attention required?
Was part original equipment?
No. of injured persons	0
No. of fatalities	0
Date of purchase	07/08/26
Was original owner?
Anti-lock brakes
Cruise control
Number of cylinders
Drive train type
Transmission type
Vehicle speed	0
DoT tire identifier
Tire size
Location of tire code
Type of tire failure code
Was defective tire repaired?
Date of manufacture
Type of child seat code
Type of restraint
Dealer's name
Dealer's telephone number
Dealer's city
Dealer's state code
Dealer's ZIP code

What is Recall?
A recall is when a product is removed from the market or a correction is made to the product because it is either defective or potentially harmful.
What is Failure?
Failure is the state or condition of not meeting a desirable or intended objective, and may be viewed as the opposite of success. Product failure ranges from failure to sell the product to fracture of the product, in the worst cases leading to personal injury, the province of forensic engineering.
What is Defect?
Non-conformance of a car component with the specified requirements, or non-fulfillment of user expectations, including the safety aspects.

Last decoded VIN:

KMHHC816UTU038762 WP0ZZZY1ZNSA01046 2C3CDXCT5DH692844 6T1BE33K56X567359 LRWYGCFJ7TC668989 3C63R3CLXLG266336 5TDAAAB55TS146329 LJD5AA1D1T0209745 JF1GDBKH34G039221 WAURGCF19KD049940 VF1RFA00059560212 MMFFW18050C463908

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2011 Hyundai SONATA Engine And Engine Cooling Problems, Complaints and Defects, Recalls and Failures

2011 Hyundai SONATA Engine And Engine Cooling Problems, Complaints and Defects

What is Recall?

What is Failure?

What is Defect?