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Hyundai Ioniq Electric may speed up unexpectedly

NHTSA campaign 21V944000 · Reported 2021-12-07 · Hyundai Motor America

critical How serious is it? About this label

Serious — a car that accelerates when you expect it to slow down can cause a crash, and while the notice does not tell owners to park the car, this should be fixed right away.

What's wrong, in plain English

On some 2017-2019 Ioniq Electric cars, a poor electrical ground connection can push the car into a limited backup mode with reduced power and weaker acceleration. While the car is in that mode, under certain conditions it can speed up on its own after you take your foot off the accelerator pedal. Dealers will update the software in the car's electric power control unit and repair the ground wiring at no charge.

What you should do

1. Check your VIN at nhtsa.gov/recalls to confirm your car is covered. 2. Call Hyundai at 1-855-371-9460 or a Hyundai dealer and reference recall 215 (21V944000) to book an appointment. 3. Get the software update and wiring repair done — it is free, and letters went out February 9, 2022.

Affected vehicles (1)

Who to contact

Hyundai — official Hyundai recall lookup

Customer service: 1-855-371-9460

Any franchised dealer for the brand can do the repair. Phone numbers are taken from manufacturer sites and recent NHTSA notices; if one has changed, the number in your own recall letter is the one to use.

The bigger picture

Official notice

Component
ELECTRICAL SYSTEM:PROPULSION SYSTEM:CHARGING:MODULE:ONBOARD (OBCM)
Summary
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.
Safety 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.

Verify your specific vehicle by VIN at nhtsa.gov. Recall repairs are free of charge by law.