OBD diagnostics · purchase protection

2021 Hyundai Tucson
Common Problems & Inspection Guide

Verify baseline vehicle system stability data. Learn what to check on the physical vehicle computer before signing a bill of sale.

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Platform Heritage

The Hyundai Tucson (; Korean: 현대 투싼) is a compact crossover SUV produced by the South Korean manufacturer Hyundai. It is named after the city of Tucson, Arizona, U.S. The second-generation model was marketed as the Hyundai ix35 in several markets, including Europe, Australia and China, before reverting to Tucson for the third-generation. Since its first-generation, the Tucson has been developed alongside the Kia Sportage, sharing platforms and engines. The Tucson is the best-selling Hyundai model, with more than 7 million units sold globally since it launched in 2004. Of these, 1.4 million units have been sold in Europe.

Source: Wikipedia intro extract · as of Jun 19, 2026

Key facts for this model year

69NHTSA owner complaints
1Safety recalls on file
24Top issue reports · Engine
$0Typical OEM recall remedy cost to you

~2.4k average monthly buyer searches in the US (google ads data · as of Jun 19, 2026). Run a MotoMetrics scan for your VIN to see live repair exposure.

Verify the data — open primary sources · as of Jun 19, 2026

System Defect Summaries & Field Data

Active safety recalls on file: 1 (source: NHTSA Recalls API · as of Jun 19, 2026)

Top NHTSA complaint categories

Recent recall summaries

Campaign 20V543000 · SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE · API record

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 short, possibly resulting in an engine compartment fire.

YouTube voice themes below are research hints only — verify against NHTSA data before citing.

Search demand cross-check: ~2,435 avg monthly intent searches (source: google ads data · as of Jun 19, 2026)

On-Site Hyundai Tucson Pre-Purchase Checklist

  1. Verify OBD-II readiness monitors are complete (not recently cleared) using a full protocol scan.
  2. Compare dashboard mileage to ECU-stored odometer modules where accessible.
  3. Pull permanent and pending DTCs — not only stored codes visible on the dash.
  4. Inspect systems related to ENGINE (NHTSA complaint cluster — verify during test drive and PPI).
  5. Inspect systems related to SERVICE BRAKES (NHTSA complaint cluster — verify during test drive and PPI).
  6. Inspect systems related to UNKNOWN OR OTHER (NHTSA complaint cluster — verify during test drive and PPI).
  7. Inspect systems related to SERVICE BRAKES, HYDRAULIC (NHTSA complaint cluster — verify during test drive and PPI).
  8. Inspect systems related to FORWARD COLLISION AVOIDANCE (NHTSA complaint cluster — verify during test drive and PPI).
  9. Confirm recall remedy completed for SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE (campaign 20V543000).
  10. Run a MotoMetrics on-site scan for Hyundai Tucson before signing the bill of sale.

Alternative Inferences & Cross-Shopping Matrix

Adjacent model years for this nameplate and equivalent footprints shoppers compare across brands.

Generational cohorts

2022 Hyundai Tucson

Class competitors

2021 Honda Cr-V 2021 Toyota Rav4 2021 Mazda Cx-5 2020 Chevrolet Equinox

Vehicle health varies wildly by individual history. Aggregate recall and complaint data cannot tell you whether the specific car on the lot had its monitors cleared or its odometer rolled back. Verify the physical or digital scan before you sign a bill of sale.

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