Nissan Recalls All 2023 Ariya EVs for Sudden Power Loss

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Nissan North America is recalling all 2023 Ariya crossover electric vehicles. The inverter software may detect a short circuit and shut down the EV system, resulting in a loss of drive power. The latest programing glitch with EVs was made public today by the National Highway Traffic Safety Administration. (AutoInformed: Nissan Testing Heavy-Duty EV Trucks for Vehicle Deliveries)

On affected Ariya vehicles, ~10,000, there is a potential that conductive fibrous shavings from the drive motors’ slip ring assembly can momentarily short circuit the two slip rings. If this occurs, the fibrous shavings are instantaneously burnt out resulting in no damage to any components. However, due to the fail-safe procedures, when the inverter detects a momentary over-current due to the short circuit, it cuts the motor torque to protect internal components of the controller, resulting in a loss of drive. The “EV System Off” message is also  displayed on the instrument panel. alert the driver.

If this software defect occurs, the torque to the driven wheels will be cut off until the fail-safe mode is released following a vehicle power off and restart. An unexpected loss of motive power while driving at high speed may increase the likelihood of an accident.

Dealers will reprogram the inverter software. Owner notification letters are expected to be mailed 20 October 2023. Owners may contact Nissan’s customer service at 1-800-867-7669. Nissan’s number for this recall is R23C6. 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 about NHTSA 23V657.