NHTSA Complaint #11323108 — 2016 HYUNDAI SONATA

I HAVE OWNER THIS CAR FOR 2 YEARS TOOK IT INTO DEALERSHIP CAUSE I WAS CONTACTED THAT THE VEHICLE NEEDED A CAMPAIGN UPDATE CAR GOT THE UPDATE ABOUT TWO WEEKS LATER WHILE ON HIGHWAY CAR WENT INTO LIMP MODE SPEED DROPPED FROM 60 TO 30 MILES AN HOUR CHECK ENGINE LIGHT CAME ON AND STARTED FLASHING TOOK IT BACK TO DEALER THEY DID ANOTHER UPDATE TOOK CAR ABOUT MONTH LATER WHILE ON HIGHWAY CHECK ENGINE LIGHT CAME ON AGAIN THEY DID ANOTHER UPDATE ON CAR PICKED IT UP DROVE IT ANOTHER MONTH LIGHT CAME ON AGAIN TOOK IT BACK TO DEALER THE DID ANOTHER UPDATE AND CHANGED WIRING HARNESS PICKED CAR UP AGAIN DRIVING ON THE STREET ABOUT 30 MILES AN HOUR CHECK ENGINE LIGHT ON AGAIN TOOK IT TO DEALER THEY SAID THEY DID A LOWER BEARING TEST WHICH SENT RESULTS TO HYUNDAI AMERICA CORPORATE OFFICE AND DID ANOTHER UPDATE ON CAR LOWER BEARING TEST CAME BACK GOOD CAME TO PICK CAR UP ON MY WAY HOME FROM DEALERSHIP ON HIGHWAY AGAIN IT GOES INTO LIMP MODE SPEED DROP FROM 60 TO 30 CHECK ENGINE LIGHT FLASHING AGAIN TAKE IT BACK TO DEALERSHIP THE ADVISOR TELLS ME TECH READ THE CODES TURNED OFF LIGHT BUT HAD IT RUNNING AND CHECK ENGINE LIGHT KEEPS COMING ON I WAS TOLD TECH WAS WAITING ON ENGINEERS TO CONTACT HIM TO SEE WHAT NEXT STEP HE SHOULD TAKE MIND YOU THEY NOW HAVE HAD MY CAR FOR ALMOST 3 WEEKS BY THIS TIME I REACHED OUT TO CUSTOMER RELATIONS TO ESCALATE CASE TECH SAID A DUPLICATE CODE CAME UP ON CAR P1326 I WAS TOLD THAT PART WAS REPLACED WHICH WOULD BE THE SECOND WIRING HARNESS AFTER AT LEAST 5 UPDATES TO CAR TECH TEST DROVE CAR HE SAID NO LIGHTS AND NO METAL WAS FOUND /LF WIRING INSTALL/NOISE INSP ALSO SAYS SOMETHING ABOUT WIRING HARNESS-KNOCK SENSOR PICKED CAR UP ON 4/27 DROPPED OFF ON 4/07 SINCE PICKING CAR UP SEEMS TO DRIVE WORSER THAN IT DID BEFORE DROPPING IT OFF THE RPM GAGE SEEMS TO STRUGGLE TO MOVE WHEN ACCERATING IT NOT HAPPY OR SATISFIED WITH WORK DONE SCARED TO HAVE MY FAMILY INCAR