The 2021 Hyundai Tucson has 1 NHTSA recall campaign affecting an estimated 652,024 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 103 complaints with NHTSA, most often about the engine. Last updated July 5, 2026.
Recall campaigns
SERVICE BRAKES, HYDRAULIC20V5430002020-09-04652,024 affected
Defect
Hyundai Motor America (Hyundai) recalled certain 2019-2021 Tucson vehicles on September 4, 2020. On December 30, 2020, Hyundai expanded the recall population, and added certain 2016-2018 Tucson vehicles. The Anti-lock Brake Hydraulic Electronic Control Unit (HECU) could corrode internally and cause an electrical…
Consequence
An engine compartment fire can increase the risk of injury or crash.
Remedy
Hyundai will notify owners, and dealers will replace the HECU fuse. For 2019-2021 model years, the Electronic Stability Control (ESC) software will also be updated. Recall repairs will be performed free of charge. Owners are advised to park outside and away from structures as a precaution until the recall repair…
Verbatim reports filed with NHTSA, lightly edited for readability and with personal
information removed.
“My back windshield shattered unexpectedly”
“Forward collision avoidance assist is on and will not go off. Only has 16,900 miles and is newly out of warranty except for 5yr 50,000 bumper warranty. Dealer at allen turner says noat way they will cover this because my vin is not listed in the latest recall. This vehicle was purchased new and…”
“The contact owns a 2021 hyundai tucson. The contact stated that upon starting the vehicle on several occasions, the message "check the forward collison system" was displayed, and a collision warning light illuminated. The vehicle was taken to a dealer, where it was diagnosed that the…”
“2 years ago I had the engine replaced. Now on this new engine which has approximately 29k. The mechanic is telling me that I need a new engine. I called hyundai and their telling me that is not under warranty anymore. What can be done?”
“Forward crash avoidance system keeps activating causing the car to brake on it's own. This was previously fixed on my car once back in 2022 and now in 2026 it is happening again. I have been trying to communicate with hyundai regarding additional years to current recall but their not going to even…”
“Vehicle stalled approximately 15 times between april 17 and may 4, 2026, including once on interstate xxx at approximately 50mph with minor children ages [xxx] and [xxx] in the vehicle. The oil and battery lights illuminated simultaneously at each stall. Diagnosed as abs module failure first, then…”
“Vehicle stalled approximately 15 times between april 17 and may 4, 2026, including once on interstate xxx at approximately 50mph with minor children ages [xxx] and [xxx] in the vehicle. The oil and battery lights illuminated simultaneously at each stall. Diagnosed as abs module failure first, then…”
“I just got an oil change and the oil was completely gone although there was no leak found. Not even a week later my oil is low again. There is smoke coming from the back pipes and the gas is burning out quickly. I just purchased the car last year”
Defect investigations
InvestigationAQ23002 Opened 2023-11-17 · open
Hyundai and Kia ABS Module Fires
The Office of Defects Investigation (ODI) has received eight Hyundai Motor America (Hyundai) and eight Kia America, Inc. (Kia) Part 573 Recall Reports between 2016 and 2023. The combined 16 safety recalls all involve the antilock braking system (ABS) modules or Hydraulic Electronic Control Units (HECU) manufactured…
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL,
FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2021 Hyundai Tucson as of
July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page
contains ads and affiliate links. Full methodology.