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severe Owners of the 2014 Nissan Leaf have filed 5 NHTSA complaints about the electrical at roughly $850 to repair (U.S. federal records, as of September 2026). Source: NHTSA Office of Defects Investigation. See electrical across all vehicles →
| Model year | electrical complaints |
|---|---|
| 2011 Leaf | 27 |
| 2012 Leaf | 15 |
| 2013 Leaf | 16 |
| 2014 Leaf (this page) | 5 |
| 2015 Leaf | 18 |
| 2016 Leaf | 11 |
| 2018 Leaf | 15 |
Of the 10 model years of Nissan Leaf we track for electrical problems, this one has the fewest owner complaints on file (5).
No new NHTSA electrical complaint has been filed on this vehicle in over 7 years — the issue may be aging out of the active population.
If the OCS does not detect an adult occupant in the passenger seat, the passenger airbag would be deactivated. Failure of the passenger airbag to deploy during a crash (where deployment is warranted) could increase the risk of injury to the passenger.
The manufacturer has issued service bulletins covering electrical on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
CAN COMMUNICATION CODES – DIAGNOSTIC TIPS AND GUIDELINES This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
full bulletin at NHTSA ↗CAN COMMUNICATION – NETWORK DIAGNOSTIC FLOW CHART This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
full bulletin at NHTSA ↗VEHICLE KEY NOT DETECTED / AUTHENTICATED, ENGINE WILL NOT START This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
full bulletin at NHTSA ↗12 VOLT BATTERY TESTING FOR IN-SERVICE VEHICLES SERVICE INFORMATION The following Service Information lists NNA procedural recommendations for establishing good connections while performing 12V battery testing. These recommendations are expected to promote uniformity during the connection process, therefore reducing the number of incorrect âTest with DCAâ and âReplaceâ results. HINT: If 12 volt batteries are allowed to discharge for a prolonged period of time, battery life may be drastically reduced. This condition may lead to premature battery replacement and customer dissatisfaction. IMPORTANT: ï· CPX-900 is now an accepted testing tool to use along with or in place of the DSS-500
full bulletin at NHTSA ↗SILICONE-BASED LUBRICANT OR GREASE CAN DAMAGE ELECTRICAL COMPONENTS SERVICE INFORMATION Do not apply Silicone-based lubricants or grease to, or around, any interior electrical components. To avoid the risk of death or severe personal injury, do not directly spray Silicone-based lubricant or grease, or inadvertently overspray Silicone-based lubricant or grease onto any interior electrical components. These types of lubricants can be detrimental to the proper operation of electrical components.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
After disconnecting charge port, the vehicle start displayed the warning light, ABS and brake light. Major electric problem. The vehicle was stationary, at the vehicle charge station. The consumer stated the manufacturer claimed to have completed the recall, but the failure recurred.*js
Hi, when I put the car in reverse yesterday morning it sped out of the garage with no throttle and was very difficult to brake. Turns out the brake, ABS, warning and traction control lights were all on. Throttle behavior in drive was normal but was also really hard to brake. There was also a weird hum at power on. I posted this to the r/leaf forum on reddit and everyone said replace the 12v…
[XXX] - I was on the way to work on a clear and sunny morning. After stopping at a traffic light, vehicles started moving forward through the intersection. Traffic was building and the lady in front of me stopped very quickly. When I pressed the the brake pedal to stop behind her nothing happened. The brakes did not brake! The pedal went all the way to the floor. It didn't even try to slow down.…
It's a meaningful issue. 5 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $850.
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
Independent shops typically charge around $850 for electrical repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Yes — 1 active recall(s) cover electrical issues on this vehicle. Recall fixes are always free regardless of mileage or warranty status. Use the VIN decoder at the top of the page to check if your specific vehicle is affected.