Home / Latest recalls / 21V944

Hyundai Ioniq Electric Recall 21V944: Unexpected Acceleration After Releasing Gas Pedal

NHTSA campaign 21V944, reported December 7, 2021, 2,679 vehicles potentially affected.

What this recall means for you

An unstable electrical ground can cause the vehicle to enter a fail-safe mode with reduced acceleration and power. In certain conditions while in this mode, the vehicle may accelerate even after the gas pedal is released.

Unexpected acceleration after the gas pedal is released raises the risk of a crash. If your vehicle is affected, Hyundai will update the EPCU (Electric Power Control Unit) software and repair the ground wiring at an authorized dealer, free of charge. Owner notification letters were mailed February 9, 2022. You can also contact Hyundai customer service at 1-855-371-9460 (Hyundai recall number 215).

Check your vehicle's VIN for open recalls to confirm whether this repair is still needed for your car.

Check whether this recall is open on your vehicle

The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 21V944Hyundai Motor America
Component
ELECTRICAL SYSTEM:PROPULSION SYSTEM:CHARGING:MODULE:ONBOARD (OBCM); ELECTRICAL SYSTEM:SOFTWARE
Problem
Hyundai Motor America (Hyundai) is recalling certain 2017-2019 Ioniq electric vehicles. An unstable electrical ground may cause the vehicle to enter a fail-safe mode with reduced acceleration and power. In certain conditions while in fail-safe mode, the vehicle may accelerate after the gas pedal is released.
Risk
Unexpected acceleration following gas pedal release can increase the risk of a crash.
Remedy
Dealers will update the EPCU (Electric Power Control Unit) software and repair the ground wiring, free of charge. Owner notification letters were mailed February 9, 2022. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 215.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

Affected vehicles

Hyundai Ioniq Electric201720182019