Owner-reported complaints naming the transmission system, filed with NHTSA
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Reports naming the automatic or manual transmission, including shifting behaviour, shudder, slipping and transmission control modules. Every record below is an owner-reported complaint about the 1999 Hyundai Sonata submitted to NHTSA — not a confirmed defect, not a recall and not a manufacturer bulletin. 12 reports on file name it.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Shown in the owner’s own words, exactly as filed
WHILE DRIVING CLOSE TO HOME MY HYUNDAI SONATA 1999 STARTED PULLING TO THE RIGHT , GETTING MORE SEVERE BY THE MINUTE. I DECIDED TO GO HOME. BY THE TIME I GOT HOME THE FRONT RIGHT WHEEL WAS LEANING TOWARDS THE OUTSIDE OF CAR. I TOOK THE WHEEL OFF AND DISCOVERED THAT THE LOWER FRONT CONTROL ARM SEPARATED FROM THE FRAME BECAUSE OF SEVERE CORROSION IN THE SUB FRAME OF CAR. *TR
TL* - THE CONTACT HAS A 1999 HYUNDAI SONATA. THE CONTACT STATED THAT ON 03/22/2007 THE REVERSE GEAR WOULD NOT ENGAGE. SHE SAID THAT IT WOULD GO FORWARD JUST A LITTLE, BUT IT WILL NOT ENGAGE IN REVERSE. THE CONTACT HAD HER VEHICLE TOWED TO A TRANSMISSION SPECIALIST BECAUSE SHE WAS TOLD THAT SHE NEEDED A NEW TRANSMISSION. THE FAILURE MILEAGE WAS 40000 AND THE CURRENT MILEAGE WAS 41000. *AK
AT ANY SPEED ENGINE CHECK LIGHT CAME ON AND STAYED ON. VEHICLE HAD PROBLEMS SHIFTING INTO GEARS, AND STALLED. VEHICLE WAS TAKEN TO THE DEALERSHIP ON NUMEROUS OCCASIONS, AND THE MECHANICS WERE NOT ABLE TO FIX THE PROBLEM. *AK
WHILE BACKING UP THE VEHICLE'S TRANSMISSION DID NOT ENGAGE THEN THE VEHICLE SUDDENLY SNAPPED BACK. THE DEALER COULD NOT DUPLICATE THE PROBLEM. *NLM
ENGINE WAS LEAKING OIL ON TOP AND UNDERNEATH VEHICLE. TRANSMISSION IS SLIPPING. VEHICLE WILL NOT MOVE. DEALERSHIP IS AWARE OF PROBLEM.*AK
WHILE DRIVING AT VARIOUS SPEEDS VEHICLE WOULD START TO JERK. WOULD NEED TO DOWNSHIFT TO COMPENSATE FOR JERKING. WOULD STALL OUT INTERMITTENTLY. GUAGES WOULD STOP WORKING. HAVE TAKEN VEHICLE TO DEALERSHIP, AND WAS INFORMED BY MECHANIC COULD NOT LOCATE CAUSE OF PROBLEM. MECHANIC DID NOT TEST DRIVE VEHICLE.*AK
CONSUMER COUD NOT GET ENGINE TO START ON LESS SHIFT WAS ON SECOND GEAR. THEN, DROVE VEHICLE TO DEALER. THEY SAID THAT TRANSMISSION FAILED FOR THE SECOND TIME. PLEASE PROVIDE MORE INFORMATION. *AK
THE TRANSMISSION SENSORS HAVE BEEN REPLACED SEVERAL TIMES, I HAVE ALSO COMPLAINED ABOUT TRANSMISSION PROBLEMS WHICH DEALER STATED DIDNT EXIST UNTIL IT WENT OUT COMPLETELY. MY BIGGEST PROBLEM IS WITH MY BRAKES, THEY FAIL FROM TIME TO TIME WHILE DRIVING, I ONCE HIT A PARKED CAR BECAUSE I HAD NO BRAKE PRESSURE WHEN DEPRESSING BRAKE PEDAL AND PUMPING. HAS ALSO HAPPENED WHILE IN TRAFFIC ALMOST CAUSING AN ACCIDENT NUMEROUS TIMES, YET DEALER SAYS THERE IS NOTHUNG WRONG WITH MY BRAKES, I HAVE BROUGHT THIS UP EVERYTIME I BRING MY CAR IN FOR ALL THE OTHER REPAIRS. MY AIRBAG WIRING IS FAULTY AND HAS BEEN REPLACED 3 TIMES WHICH I FEEL IS A SERIOUS SAFETY ISSUE. MY ENGINE STALLS OCCASIONALLY IN MID TRAFFIC FOR NO APPARENT REASON, YET THE RECALLED PART THAT CAUSED THIS HAS BEEN REPLACED. DEALER OFFERS NO EXPLANATION AND SAYS CAR IS FINE.*AK
CONSUMER WAS TRAVELING ABOUT35MPH ON A STREET AND ANOTHER VEHICLE CAME TO A SUDDENLY STOP. WHEN CONSUMER LOOKED UP HE HAD HIT OTHER VEHICLE FROM BEHIND. UPON IMPACT, DUAL AIRBAGS DIDN'T DEPLOY, CONSUMER STATES THAT AIRBAG LIGHT CAME ON 3 TIMES PRIOR TO ACCIDENT AND NOW TWICE AFTER. CONSUMER HEARS RATTLE FROM TRUNK. SUNROOF LINING LOOSE. GAS PEDAL VIBRATES WHILE DRIVING. WHEN RIDING OVER BUMPS, THERE IS A RATTLE IN THE RIGHT REAR OF THE VEHICLE. *AK *SLC
AIR BAG LIGHT REMAINED ILLUMINATED, INDICATING A MALFUNCTION WITHIN THE SYSTEM. CAUSE UNKNOWN, ALSO CONSUMER EXPERIENCED INTERMITTENT PROBLEMS WITH TRANSMISSION. PLEASE GIVE ANY FURTHER DETAILS. *AK
RECALL REPAIR WORK WAS NOT DONE DUE TO SCHEDULING PROBLEMS. *YC
WHEN ACCELERATING TRANSMISSION DOES NOT SHIFT PROPERLY (DOWNSHIFTING OCCURS), MORE WHEN AIR CONDITIONER IS ON. *YC
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.
Categories with enough reports to have a page of their own
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