2021 Hyundai Tucson Electrical System Problems

The AC system on my vehicle stopped working with less than 55,000 miles on it. When replacing the compressor, condenser, all AC switches, and lines (the entire AC system besides the ECM), the AC is still not working. The compressor is not kicking on. I have an ECM on order, but myself, and all mechanics (including Hyundai certified mechanics) are all unsure why this would have happened on such a low mileage vehicle. I am EXTREMELY disappointed and frustrated with the experience and not having AC after spending thousands of dollars and time getting it fixed. Please advise ASAP. Attached is the original invoice stating that all that needed to be replaced was the condenser/compressor. I have more files from all of the other replacements provided if needed.

Check engine light comes on flashing for a knock sensor. This has happened four times. Since it is flashing, car goes into limp mode and won’t go over 2000 rpm, low speeds and slow/no acceleration. It is dangerous due to happening on highways and going from cruising speeds to a crawl, with minimal ability to accelerate, very quickly. Sensor has been updated once and sensor has been replaced twice. Currently dealing with corporate after the fourth time of this issue happening. I am still fighting this issue and it’s looking like I will need an attorney.

The rear view camera is nonexistent at night, and I can't see a thing when parking.

What component or system failed or malfunctioned, and is it available for inspection upon request? Vehicle was running exceptionally well until a software update was applied at the dealership. Hyundai has no recalls / safety campaigns on file for my vehicle make and model and was adamant that no updates should have been applied. On or shortly after this time, vehicle performance became really poor. mpg per tank dropped to around 22 / 23 mpg highway (normally 27-29 mpg), acceleration performance was reduced, and it felt as thought vehicle had issues accelerating at time. Shifting on hills became an issue as well as the vehicle did not appear to properly shift into the next gear when necessary. I was notified after purchase of the vehicle that it should be parked outside of my garage due to possible fire concerns even though my vehicle was supposedly not affected. How was your safety or the safety of others put at risk? Lack of power / acceleration when needed affected getting onto the highway and shifting lanes. Vehicle rode almost like brake was being continuously applied and slowing down the vehicle at times. Lack of power and improper shifting almost caused an accident or two. Has the problem been reproduced or confirmed by a dealer or independent service center? No, dealer was unable to reproduce after a quick 10 minute test drive on flat land. I started keeping records and screenshots afterwards. Has the vehicle or component been inspected by the manufacturer, police, insurance representatives or others? No. Hyundai refuses to contact me back regarding these issues. During this time, an email was sent globally indicating that Hyundai BlueLink would no longer support a feature that independently slowed / stopped vehicles in case of theft. Were there any warning lamps, messages or other symptoms of the problem prior to the failure, and when did they first appear? No warning lights have appeared on this vehicle.

DEAR SIR: "HYUNDAI RECENTLY TOLD OWNERS OF NEWER TUCSON VEHICLES NOT TO DRIVE THEIR RECALLED SUVS IF THE ANTILOCK BRAKE SYSTEM (ABS) WARNING LIGHT COMES ON, AND TO KEEP THE VEHICLES PARKED OUTDOORS SO THEY DON'T CATCH A HOUSE OR GARAGE ON FIRE."THIS PARTICULAR HYUNDAI DEALERSHIP IN QUESTION HERE HAS NEVER MENTIONED IT TO ME EVEN THOUGH THE SALES AGENT ([XXX]) WAS ASKED BY MY FRIEND THAT WAS WITH ME TO ASSIST ME WITH/HELP ME OUT IN DEALING WITH THE NEGOTIATION THAT IS, ALWAYS, A COMMON PRACTICE WHEN ONE WANTS TO BUY BOTH USED OR NEW CAR. I WAS THEN, UNEXPECTEDLY, ADVISED BY THE NEXT DAY, BY MY FRIEND, ABOUT THIS UNFORTUNATE AND EXTREMELY BAD NEWS; OF COURSE, AFTER A THOROUGH RESEARCH, TO FIND OUT WHETHER MY NEW CAR (2021 HYUNDAI TUCSON SUV WAS RECALLED BY THE AUTHORITIES OR NOT. FROM WHAT HE TOLD ME, HE, SIMPLY, PLUGGED IN THE VIN NUMBER ([XXX]) AND DID THE SEARCHING. THE RESULT WAS VERY SERIOUS AND LIFE-THREATENING FOR BOTH MYSELF AND MY DAUGHTER.I WILL BE LOOKING FORWARD TO HEARING FROM YOU SOON ON THIS MATTER OF GREAT IMPORTANCE TO ME AS WELL AS MY DAUGHTER AND FAMILY MEMBERS. IN ADDITION, I WANT YOU TO, PLEASE, COMMUNICATE WITH ME THROUGH EMAIL OR REGULAR MAIL. I HAVE THE INTENT TO SEEK FOR AN ATTORNEY TO, DIRECTLY, TAKE OVER MY CASE AND DEAL WITH THE DEALERSHIP IN QUESTION HERE. I, FURTHER NOTIFY YOU THAT MY FRIEND IS NOT GOING TO BRING YOU THE $5,000 THAT HE PROMISED TO YOU. THAT ($5,000) WILL BE USED TOWARDS THE ATTORNEY FEE. PS THIS CAR IN QUESTION WAS BOUGHT ON 01/09/2021 SINCERELY YOURS, [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR

WE GOT THE RECALL NOTICE ON BLUE LINK CALLED FLETCHER WHERE WE BOUGHT IT AND WAS TOLD THEY WOULD GET TO US SOMETIME THAT THE PART WAS BACKORDERED HAVEN'T HEARD FROM THEM SINCE WHEN I CALLED GOT THE SAME SPEECH ASK ABOUT FIRES AND THEY SAID THERE'S NOTHING TO WORRY ABOUT WE STILL DRIVE IT BECAUSE IT'S ALL WE HAVE BEEN PARKING IN THE GARAGE BECAUSE NO WORRIES ACCORDING TO FLETCHER AND HONESTLY IT'S BEEN BELOW FREEZING

IN THE INITIAL NHTSA TUCSON RECALL, DATED SEPTEMBER 4, 2020, THE ONLY 2021MY TUCSON VEHICLES TO BE INCLUDED WERE THOSE MANUFACTURED THROUGH 3/31/20 AND SPECIFICALLY ON 6/23/20. ONCE THE PROBLEM WITH THE ABS MODULE HAD BEEN IDENTIFIED AND CONFIRMED, AND THE RECALL ISSUED, HYUNDAI CONTINUED TO MANUFACTURE, AND SELL TUCSON VEHICLES WITH THE SAME KNOWN SAFETY FLAW. RATHER THAN SHUT DOWN THE PRODUCTION LINE UNTIL CORRECTIONS COULD BE MADE, HYUNDAI CONTINUED TO 'INVESTIGATE' THE PROBLEM WHILE 2021MY TUCSON VEHICLES MANUFACTURED AFTER THE END OF AUGUST 2020 CONTINUED TO BE SOLD. HYUNDAI CONTINUED TO SELL THESE CARS WHILE AT THE SAME TIME ADMITTING IN NHTSA DOCUMENTS THAT THE COMPANY WAS 'UNSUCCESSFUL IN DETERMINING THE EXACT ROOT CAUSE' OF THE PROBLEM. INSTEAD, THE COMPANY 'CONCLUDED THAT THE RISK OF AN ELECTRICAL SHORT RESULTING IN A FIRE COULD BE MITIGATED [NOT ELIMINATED] BY LIMITING THE OPERATING CURRENT IN THE ABS MODULE THROUGH A LOWER AMPERAGE FUSE.' IT WASN'T UNTIL NOVEMBER OF 2020 THAT A PRODUCTION CHANGE WAS IMPLEMENTED. THEN, IN DECEMBER OF 2020, THE SEPTEMBER RECALL WAS EXPANDED TO INCLUDE VEHICLES MANUFACTURED THROUGH NOVEMBER 2020.