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ProblemsByVin Index / 2018-NISSAN-ALTIMA / COMPLAINTS
Full complaint record · NHTSA

2018 Nissan Altima owner complaints

222 complaints filed with NHTSA on this vehicle , including 1 reporting a crash, fire, injury, or fatality. Showing the 300 most recent — grouped by category for scanning.

other 8 complaints shown

12/30/2020 56,450 mi ODI #11385682.0

Every time I am driving, the automatic emergency braking light illuminates at around 55mph and it stays lit constantly. The system automatically brakes when nothing is in front of my vehicle almost causing the person behind me to hit me. The cruise control will not allow me to set it after turning it on either.

12/27/2019 40,000 mi ODI #11291607.0

The front radar is faulty and is causing issues with the front emergency braking (feb). There is a notification that says "feb unavailable: front radar obstruction". This is causing a regular distraction to the driver and also poses in a risk that the vehicle may automatically brake unexpectedly or not brake in an emergency situation.

12/23/2019 49,000 mi ODI #11290959.0

Front radar obstruction appears approximately every ten minutes, for no reason.

12/16/2019 43,850 mi ODI #11289337.0

Front collision sensor turns on even without any cars in front. The dealer said sometimes the rain affects the sensor but it still turns on even when it's not raining. Once it's the warning light is on, it never turns off. I'm concerned for my safety especially when the emergency brakes depends on the sensor. This happens whenever I drive on a city street. I've had this car since 12/8/19.

12/15/2018 Crash ODI #11161700.0

Car would not brake and hit a pole. The vehicle is supposed to have emergency brakes, but did not work. Often would get a message across my dashboard saying it was unavailable.

12/13/2018 ODI #11161087.0

Aeb will not apply brake when narrowly missing a car that ran a stop sign.the aeb "automatic emergency braking" does not work at any time, or any situation. Dealership in shelby,nc. Nissan ,refuses to fix not even jad it a month yet. Sincerely, [xxx] information redacted pursuant to the freedom of information act (foia), 5 u.s.c. 552(b)(6). *tr

12/08/2018 ODI #11157050.0

Purchased Nissan altima s 2018 , the aeb "automatic emergency breaking " does not function at any time, the computer will not establish a code for it not working either. It's either a faulty computer not establishing a code or the the aeb is faulty. Will not attempt to stop for a pedestrian crossing in the cross walks, will not apply more breaking pressure if I'm not applying enough. Have talked dealership in shelby, nc. Have talked to Nissan corporate , both denie that anything is wrong,simply because the computer will not throw a code. The fact of the matter is "it will not operate" code or no code. This is a safety feature I wanted ,reason for picking the car out. Has people age their reflexes get slower on some individuals, and some people take their eyes off the road to make an adjus

11/27/2019 45,000 mi ODI #11282711.0

Front radar obstruction goes off. Recently it caused problems with my ABS to not work and disengage at times. Could be driving on an empty road and it will go off.

electrical 3 complaints shown

36 total in this category · moderate · avg repair $850 · see electrical cluster analysis →
12/25/2021 ODI #11444956.0

The problem of delayed acceleration. The problem occurs when the vehicle does not seem to accelerate for a short period of time. When I'm at a stop. and I depresses the pedal. The vehicle does not rev. It does not do anything for a few seconds. Even with increased force on the pedal, the vehicle does not move. The second concern is that, once it does move, it does so significantly with a jolt. This means that, after a few seconds of not functioning, the vehicle will suddenly accelerate quickly. This can create an increased risk of an accident.

12/03/2019 21,000 mi ODI #11286535.0

Intermittent front radar. Warning message will appear stating "front radar unavailble due to obstruction" when there is not an obstruction, then the system deactivates the automatic emergency braking. After a few minutes, the "obstruction" is cleared and the system resumes functionality. This will repeat quite often. While I own a Nissan altima, it appears this is an issue in the Nissan sentra, as well.

11/29/2018 ODI #11154867.0

I purchased a new 2018 Nissan, the front end collision sensor is alarming and has ever since the car was new. I have taken it to two different dealers and they have referred me to Nissan and say that I should wait for the recall. I think this is unacceptable as my car is not safe with the front end collision not working properly. Please help me fix this problem. As I am driving down the road, the sensor alarms and says it is not working when there is nothing in front of my vehicle. I had one dealer tell me it was picking up the sun......please help.

lighting 2 complaints shown

12 total in this category · moderate · avg repair $250 · see lighting cluster analysis →
12/31/2025 ODI #11708109.0

The contact owns a 2018 Nissan Altima. The contact stated that while driving at an undisclosed speed at night, the halogen headlights failed to function as intended and were dimmed, which reduced the visibility of the roadway. There was no warning light illuminated.  The vehicle was taken to a collision center, where the headlight assembly and bulbs were replaced. The vehicle was repaired. Upon further investigation, the contact learned that the headlights on Nissan vehicles were experiencing failure due to a delaminating reflector defect. The contact learned that the heat from the halogen beams was causing heat damage to the reflective surface. The manufacturer was not made aware of the failure. The failure mileage was unknown.

12/15/2019 48,000 mi ODI #11289123.0

My headlights are awful I can't see at night because the lights project on the ground and I have to have the lights on bright just to see there should be a recall on this issue.

airbags 2 complaints shown

30 total in this category · severe · avg repair $1,100 · see airbags cluster analysis →
12/30/2021 ODI #11445563.0

OCS system is faulty causing the airbags for the passenger to disengage. I am out of warranty for mileage at the time of the problem by 6,000. The car was 3 years old and it is an on going problem again. OCS switch showing improper voltage and cannot be reset unless the factory mechanic does the reset which holds me, the owner, responsible for the diagnostic fee. Additionally, the faulty parts may have to be replaced at my expense as well if it turns out to be a more than a software glitch. There has been recalls for 2016 and prior for the same issue and a recall for 2018 models is happening again.

12/05/2021 ODI #11442741.0

My car's airbag light came on and would not go off. I took it to the dealership and was told that the sensor in my passengar seat that detects the weight of some one in the seat is not working. Because of this sensor failing, my air bags will not deploy if the car is involved in an accident. It puts me at a safety risk because air bags will not provide protection to me or passengars riding in my vehicle if I am in a accident. This problem has been confirmed by the dealership. I don't know if the manufacter has inspected the issue or not. There were no other warning lights, messages, or other symptoms prior to this issue.

powertrain 2 complaints shown

21 total in this category · moderate · avg repair $2,500 · see powertrain cluster analysis →
12/18/2022 ODI #11497951.0

With a little under 68,000 miles on my 2018 Nissan Altima the transmission started shuttering and slipping. No lights came on the dash but the car was difficult to control. After going to get some dry gas and see if it was motor related the car made a loud squealing noise, the check engine light came on and then the car shuttered the rest of the way home . The car goes in to the Nissan dealership in two days. They told me that I hadn't brought it in to have the transmission for it's 60,000 mile flush but I never recieved a notification. in addition, the car went in for a hood latch replacement at that time but nothing was said then. The car could easily be dangerous if this happened while driving in traffic or trying to pull into traffic.

12/17/2021 ODI #11444207.0

The car doesn't move and the car shakes above 55 miles and I can smell smoke under the hood.

suspension 1 complaint shown

12/28/2024 ODI #11632878.0

For the transmission I was driving at normal speed in the freeway when out of no where the car started to jerk and lost power I almost got hit by the car behind me it was a traumatizing experience for me and my son I haven’t gotten my car to get repaired because as a single mother it is very hard on me and with the suspension it had been making loud squeezing noise from my rear suspension and it has gotten worst now it’s embarrassing to be driving my daughters father in law also had an Altima and it had the same suspension issues

brakes 1 complaint shown

16 total in this category · severe · avg repair $450 · see brakes cluster analysis →
12/18/2019 51,970 mi ODI #11289934.0

A warning in the dash that says, 'front radar unavailable due to obstruction.' the vehicle does this while in motion. The vehicle has 52190 miles on it at this time. The warning will reset when turning off the car and restarting. There are no items obstructed. Nissan dealership stated very common and replacing a lot of them. $1200 is the cost of repair quoted and the service advisor knew that without looking it up. This has to do with the radar sensor that is used for the automatic emergency braking system.

Showing 300 of 222 total complaints. The full federal record is available at nhtsa.gov/vehicle/2018/Nissan/Altima#complaints.
Source: National Highway Traffic Safety Administration (NHTSA) owner complaint database. Last synced 2026-06-14. Complaints are owner-submitted and unverified — the existence of a complaint is not proof of a defect, but a pattern of complaints around the same component is a signal worth weighing. Verify any specific filing at nhtsa.gov.
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