2021 Nissan Leaf problems and complaints
Owners have filed 56 complaints with NHTSA about the 2021 Nissan Leaf. The most-reported areas: Electrical System (32), Unknown Or Other (13), Fuel/Propulsion System (9).
Key takeaways
- 56 owner complaints on file with NHTSA.
- 2 involve a crash, 5 a fire, 1 reported injury.
- Complaints are unverified owner reports; recalls are confirmed defects.
| Component | Complaints | Share |
|---|---|---|
| Electrical System | 32 | 57% |
| Unknown Or Other | 13 | 23% |
| Fuel/Propulsion System | 9 | 16% |
| Engine | 6 | 11% |
| Visibility/Wiper | 6 | 11% |
| Forward Collision Avoidance | 4 | 7% |
| Back Over Prevention | 3 | 5% |
| Power Train | 3 | 5% |
| Exterior Lighting | 2 | 4% |
| Air Bags | 2 | 4% |
| Service Brakes | 1 | 2% |
| Wheels | 1 | 2% |
One complaint can name several components, so shares add up to more than 100%.
| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2021 Nissan LEAF (40 KWh Battery) 5 HB FWD | 5/5 | 4/5 | 5/5 | 4/5 |
Latest complaints, as filed
Owner-written and unverified by NHTSA.
Forward Collision Avoidance - filed 2026-09-29
The Automatic Emergency Braking system on my 2021 Nissan Leaf S Plus engaged erroneously (phantom braking) twice. One time was on a sunny day in August 2026 when I had just backed out of my driveway onto my residential street. There was a person walking well to the right side of the road about 100 feet ahead of me. I h...
Electrical System,fuel/Propulsion System - filed 2026-09-13
Incident Summary & Ineffective Recall Remedy: I am reporting an acute high-voltage battery cell collapse on my 2021 Nissan LEAF (VIN: [XXX]). The vehicle previously received the software update for NHTSA Recall #25V655 (Nissan Recall #R25C8) at Kings Nissan. The software patch failed to repair the underlying defective ...
Engine - filed 2026-08-31
The contact owned a 2021 Nissan Leaf. The contact received notification of NHTSA Campaign Number: 25V655000 (Electrical System). The contact stated that while at a dealer charging the vehicle for approximately 15- 20 minutes, there was a fire coming from the front of the vehicle. The fire was extinguished by the fire d...
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More for the 2021 Nissan Leaf
Complaints are reports filed by owners with the National Highway Traffic Safety Administration. NHTSA publishes them without verifying them, and counts rise with how many cars were sold, so compare years of the same model rather than different models. Crash ratings are NHTSA's own 5-Star Safety Ratings results.