Fitment notes: Performance model with higher electrical demands; AGM battery recommended for enhanced start-stop capability
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Every control module on the 2021-2026 Hyundai Elantra N — where it lives, replacement time, and what it takes to program a replacement. Modules marked dealer / factory tool won't work after a part swap alone — budget for programming.
Transmission Control Unit (TCU)2.5 hr R&Rdealer / factory tool +1.0 hr▸ programming details
📍 Integrated with 8-speed N DCT transmission, driver side of transmission case
🔧 Hyundai GDS or Autel MaxiSys Elite/Ultra
⚠️ N DCT (dual-clutch) specific; requires transmission adaptation and shift learning procedure; transmission fluid drain required for access
Motor Driven Power Steering Control Module (MDPS)2.0 hr R&Rdealer / factory tool +0.5 hr▸ programming details
📍 Integrated with steering column assembly, below dashboard
🔧 Hyundai GDS or Autel MaxiSys Elite/Ultra
⚠️ N-specific steering calibration with variable modes; steering angle sensor calibration required after replacement
⚠️ Lane keeping and forward collision avoidance; windshield replacement requires recalibration; static and dynamic calibration needed
N Grin Control System Module (NGS)dealer / factory tool▸ programming details
📍 Integrated with BCM or separate module behind center console
🔧 Hyundai GDS
⚠️ N-specific drive mode controller; typically integrated software coordinating ECU/TCU/ECS/MDPS, not separate physical module
Aftermarket tool coverage varies by software version and vehicle build — treat "aftermarket tool" rows as "usually possible" and verify against your tool maker's coverage list before promising a customer. Spot a wrong location or hour? Tell us — corrections ship fast here.
Hyundai Motor America (Hyundai) is recalling certain 2025 Elantra N, 2026 Tucson, Tucson Hybrid, Tucson Plug-In Hybrid Electric (PHEV), and Elantra vehicles. The B-pillar impact sensors may have been misassembled, which can delay air bag deployment.
Consequence: Air bags that do not deploy as intended increase the risk of injury in a crash.
Remedy: Dealers will inspect and replace the impact sensor(s), as necessary, free of charge. Owner notification letters were mailed June 11, 2026. Owners may contact Hyundai's customer service at 855-371-9460. Hyundai's number for this recall is 299. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on April 22, 2026.
Fuel economy (EPA)
City
21mpg
Highway
29mpg
Combined
24mpg
Fuel
Premium Gasoline
Capability & size
EPA class
Midsize Cars
Wiper blades
Performance variant of seventh generation CN7; sedan body style has no rear wiper
Size-standard part numbers — verify your connector type before buying. Rear blades are model-specific; check the package's vehicle list.
Fuel economy figures are EPA data via fueleconomy.gov (median across matching trims). Performance figures are compiled estimates for the 2026 Hyundai Elantra N 2.0L Turbo I4 and can vary by trim.
🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Lexus & Toyota Mechanic · 20+ years.