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2014 Hyundai SONATA Power Train Problems, Complaints and Defects

Issue ID	1656203
Internal NHTSA #	11320983
Manufacurer	Hyundai Motor America
Brand	HYUNDAI
Model	SONATA
Model Year	2014
File date	01/04/20
Component	POWER TRAIN
Product type code	VEHICLE
Description of the problem	Hyundai installed a software update on our 2014 sonata due to engine fires about a year ago. This software update resulted in the car going into what is called " limp mode" and the malfunction indicator light coming on which results in the car losing acceleration and not being able to climb hills. This occurred when the car was being driven on the highway at 65 mph. Once the car went into limp mode it would barely go up hills and presented a hazard on the highway. When i called the dealership they told me my car was no longer under warranty for anything other than engine or drive train and that they would not tow the car into their shop. They also told me i should not drive the car. I had the car towed to a local shop and they diagnosed the problem as a p1326, which i had to pay for out of my pocket. The mechanic told me there was a recall on the motor and it would have to be replaced. I then called the dealership and they agreed to tow the car to their dealership. After the dealership diagnosed the problem they informed me the software system detected a noise in the engine and went into limp mode to protect the engine. They said everything was fine and that the malfunction indicator light and limp mode were a false positive due to the software update that was installed. When i pointed out the inconvenience this had caused me i was told this happens all the time and i would have to get used to it or sell the car. I only have 64,000 miles on this vehicle and i no longer have any confidence in this vehicle to commute long distances. The issue with these false positives and the limp mode needs to be eliminated.
Vehicle Mileage at Failure	64000
Number of Occurences
Source of the issue	NHTSA WEB SITE
City and State	MOHNTON, PA
VIN pattern	5NPEC4AC7EHXXXXXX
Was vehicle invloved in a crash?	N
Was vehicle involved in a fire?	N
Was incedent reported to police?	N
Was medical attention required?	N
Was part original equipment?
No. of injured persons
No. of fatalities
Date of purchase	07/08/26
Was original owner?	N
Anti-lock brakes	N
Cruise control	N
Number of cylinders
Drive train type
Transmission type
Vehicle speed	65
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:

JTEGD54M50A014446 MNBAXXMAWAFU19489 1VWBT7A33GC031458 2HGED6454MH551294 WP0ZZZ99ZNS227406 SALAG25468A478350 KNDJP3A56J7540098 3JB1WAX44SE000209 SCBBP9ZAXCC074133 MM0UP0YD100112955 5GTDN13E378176268 JA3AJ26EX4U065807

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2014 Hyundai SONATA Power Train Problems, Complaints and Defects, Recalls and Failures

2014 Hyundai SONATA Power Train Problems, Complaints and Defects

What is Recall?

What is Failure?

What is Defect?