NHTSA FEDERAL EVIDENCE AUDITAudited: 2026-08-24

2020 Nissan Altima Common Problems & Defect Telemetry

Authoritative defect intelligence synthesized from 178 verified NHTSA owner complaints, 6 federal safety recalls, and interquartile failure mileage telemetry.

Data Grade: HIGH14 Odometer Verified EntriesMethodology
Executive AI Defect Summary

The 2020 Nissan Altima receives a 4.8/10 MazicBay Reliability Index based on 178 verified NHTSA federal complaints and 6 safety recalls. The primary reported failure mode is Electrical Parasitic Drain, Infotainment & Harness Reports with a median failure point at 51,543 miles (IQR: 50,36552,722 mi). Out-of-warranty repairs benchmark at $280 – $850 .

Nissan Altima PlatformNissan Altima Series
DLC Port: Under driver side dashboard to the right of hood release

*Representative vehicle platform imagery. Body styling varies across generations.

MazicBay Reliability Index
4.8 / 10

14.2 complaints / 10k sold

NHTSA Owner Complaints
178

Verified US federal records

Safety Severity Grade
Critical Risk

Crash, fire & stall audit

Federal Safety Recalls
6

6 Active / Free Remedies

Switch Altima Model Year (2014–2025)
Defect Clustering

Top Reported Problem Clusters (7)

Ranked by NHTSA Complaint Frequency
#1 ELECTRICAL SYSTEM & BATTERYCritical Severity86% Match Confidence

Electrical Parasitic Drain, Infotainment & Harness Reports

55
Federal Complaints
Failure Mileage (Median):51,543 milesIQR: 50,36552,722 mi
Estimated Repair Cost:$280 – $850 MazicBay Repair Intelligence Model
Recall Status:Out-of-Pocket / TSB RemedyNHTSA Campaign Audit
Reported Defect Symptoms
  • Unexplained battery drain after sitting overnight
  • Infotainment display / instrument cluster blackouts
  • Accessory malfunction / alternator fault warnings
Potentially Associated OBD-II Codes

Correlated via MazicBay Diagnostic Engine (not NHTSA verified fact).

Sample Verified NHTSA Evidence Records (3)
ODI #11753776 • Filed: 07/30/2026Odometer: 49,186 mi

I currently own a 2020 Nissan Altima with 49,186 miles and I am reporting a recurring power door lock failure. This vehicle was inspected at the Nissan of Cumming location this morning to confirm the issue. Three of the passenger-side door lock actuators have failed within a s...

ODI #11751528 • Filed: 07/20/2026

Both passenger-side and driver's side rear door lock mechanisms ceased working. They do not work when attempting to lock/unlock the doors from the inside controls in the front seat. These doors also do not lock/unlock when using the remote key fob either. Both rear doors have ...

ODI #11750677 • Filed: 07/15/2026

The warming lights for different items come on at random. Examples :Low washer fluid, gas cap open, speedometer digital speed not showing.

#2 ENGINE & COOLINGCritical Severity85% Match Confidence

Engine Stalling, Oil Consumption & Cooling Defect Reports

52
Federal Complaints
Failure Mileage (Median):19,500 milesIQR: 5,50034,500 mi
Estimated Repair Cost:$950 – $3,200 MazicBay Repair Intelligence Model
Recall Status:Under Investigation / Recall AuditNHTSA Campaign Audit
Reported Defect Symptoms
  • Engine sudden stall / hesitation while driving
  • Abnormal oil burning / consumption
  • Check Engine Light (MIL) flashing
  • Engine overheating / coolant loss
Potentially Associated OBD-II Codes

Correlated via MazicBay Diagnostic Engine (not NHTSA verified fact).

Sample Verified NHTSA Evidence Records (3)
ODI #11756811 • Filed: 08/13/2026

The contact owns a 2020 Nissan Altima. The contact stated that while driving at an undisclosed speed, the message "Engine Malfunction" was displayed. Additionally, the vehicle experienced excessive coolant consumption and the engine overheated. The vehicle was taken to an inde...

ODI #11752874 • Filed: 07/26/2026

When I am driving my car randomly states check engine and makes a beeping noise and then the engine starts to make some type of combustion noise and then slows down and then turns off.

ODI #11750677 • Filed: 07/15/2026

The warming lights for different items come on at random. Examples :Low washer fluid, gas cap open, speedometer digital speed not showing.

#3 STEERING & SUSPENSIONCritical Severity77% Match Confidence

Electric Power Steering Assist & Suspension Noise Reports

37
Federal Complaints
Failure Mileage (Median):4,500 milesIQR: 3,2505,750 mi
Estimated Repair Cost:$450 – $1,400 MazicBay Repair Intelligence Model
Recall Status:Under Investigation / Recall AuditNHTSA Campaign Audit
Reported Defect Symptoms
  • Sudden loss of electric power steering assist
  • Steering wheel pull or highway wander
  • Clunking / knocking noise over bumps
Potentially Associated OBD-II Codes

Correlated via MazicBay Diagnostic Engine (not NHTSA verified fact).

Sample Verified NHTSA Evidence Records (3)
ODI #11750330 • Filed: 07/14/2026

The contact owns a 2020 Nissan Altima. The contact stated that the auto-braking system unexpectedly activated, and there was a grinding sound coming from the brakes; however, the vehicle failed to stop as needed. The ABS warning light was illuminated. While driving approximate...

ODI #11722887 • Filed: 03/09/2026

I am having issues with the back-up camera display on the radio screen freezing up occasionally while backing up and once it went black while backing up. I have also had dozens of issues with the drivers door not opening. Occasionally when i try to exit the vehicle the door wi...

ODI #11699694 • Filed: 11/16/2025

Unknown. The engine started have overheating issues but never was ran in the overheated zone. We took the car to the dealer and was told the head was cracked. We questioned how that was possible if we never ran it in the overheated zone. We were told they did not know but that...

#4 BRAKING SYSTEM & ABSCritical Severity79% Match Confidence

Service Brakes, ABS Actuator & Master Cylinder Reports

28
Federal Complaints
Failure Mileage (Median):55,000 milesIQR: 35,00075,000 mi
Estimated Repair Cost:$350 – $1,100 MazicBay Repair Intelligence Model
Recall Status:Under Investigation / Recall AuditNHTSA Campaign Audit
Reported Defect Symptoms
  • Spongy or hard brake pedal travel
  • ABS / Brake warning light illuminated
  • Extended stopping distance / pedal vibration
Potentially Associated OBD-II Codes

Correlated via MazicBay Diagnostic Engine (not NHTSA verified fact).

Sample Verified NHTSA Evidence Records (3)
ODI #11750330 • Filed: 07/14/2026

The contact owns a 2020 Nissan Altima. The contact stated that the auto-braking system unexpectedly activated, and there was a grinding sound coming from the brakes; however, the vehicle failed to stop as needed. The ABS warning light was illuminated. While driving approximate...

ODI #11735973 • Filed: 05/06/2026

I was leaving for work, backing out of the driveway, and the brakes just locked up out of no where. I’ve done this multiple times and the brakes have never done this. I tried pulling up and trying again, turning the car off and back on, and backing a different way out of the d...

ODI #11687718 • Filed: 09/16/2025

THE VEHICLE HAS ACTIVATED A FALSE AEB ON SEVERAL OCASSIONS SINCE I PURCHASED THE VEHICLE. I IMMEDIATELY TOOK IT BACK TO NISSAN AND THEY STATED THERE WERE NO RECALLS AND THE VEHICLE SEEMED TO HAVE NO ISSUES. I'VE HAD THE VEHICLE FOR 5 YEARS AND IT CONTINUES TO OCCUR, NEARLY CAU...

#5 TRANSMISSION & DRIVETRAINCritical Severity80% Match Confidence

Transmission Hesitation, Hard Shifting & Slipping Reports

26
Federal Complaints
Failure Mileage (Median):47,950 milesIQR: 33,25068,175 mi
Estimated Repair Cost:$1,400 – $3,800 MazicBay Repair Intelligence Model
Recall Status:Under Investigation / Recall AuditNHTSA Campaign Audit
Reported Defect Symptoms
  • Hard gear shifts / delayed engagement into Drive/Reverse
  • Transmission shudder / jerking under acceleration
  • Transmission slipping between gears
Potentially Associated OBD-II Codes

Correlated via MazicBay Diagnostic Engine (not NHTSA verified fact).

Sample Verified NHTSA Evidence Records (3)
ODI #11737675 • Filed: 05/13/2026Odometer: 53,900 mi

This issue involves a documented and recurring safety-related defect that was reported multiple times while my vehicle was still covered under Nissan’s factory warranty related to the airbag system. My 2020 Nissan Altima currently has approximately 53,900 miles and has experie...

ODI #11735472 • Filed: 05/04/2026

The CVT issue remains with this car even though I have complained. The car will randomly de accelerate and randomly accelerate which has cause minor fender bender. The car continue to studer and jerk and continues to show since of transmission issues. These cars need to be rec...

ODI #11723028 • Filed: 03/09/2026Odometer: 42,000 mi

The “check engine” light came on - after shutting off the engine a couple times - it still came on. Took the 2020 Nissan Altima Platinum to Glendale Nissan - after a 3 hour wait they said I need a new Cam Shaft for $6,000. The car only has 42,000 miles. I took the car to get a...

#6 AIRBAGS & SAFETY RESTRAINTSCritical Severity77% Match Confidence

Airbag Occupant Detection & Inflator Defect Reports

15
Federal Complaints
Failure Mileage (Median):51,543 milesIQR: 50,36552,722 mi
Estimated Repair Cost:$400 – $1,200 MazicBay Repair Intelligence Model
Recall Status:Under Investigation / Recall AuditNHTSA Campaign Audit
Reported Defect Symptoms
  • SRS Airbag warning lamp illuminated
  • Passenger occupant classification sensor failure
  • Seat belt retractor lockup
Potentially Associated OBD-II Codes

Correlated via MazicBay Diagnostic Engine (not NHTSA verified fact).

Sample Verified NHTSA Evidence Records (3)
ODI #11753776 • Filed: 07/30/2026Odometer: 49,186 mi

I currently own a 2020 Nissan Altima with 49,186 miles and I am reporting a recurring power door lock failure. This vehicle was inspected at the Nissan of Cumming location this morning to confirm the issue. Three of the passenger-side door lock actuators have failed within a s...

ODI #11737675 • Filed: 05/13/2026Odometer: 53,900 mi

This issue involves a documented and recurring safety-related defect that was reported multiple times while my vehicle was still covered under Nissan’s factory warranty related to the airbag system. My 2020 Nissan Altima currently has approximately 53,900 miles and has experie...

ODI #11719843 • Filed: 02/23/2026

My vehicle was in a car accident and during the impact my seat belt came undone

#7 FUEL SYSTEM & INJECTIONLow Severity65% Match Confidence

Fuel Pump Pressure Loss & Fuel Delivery Defect Reports

1
Federal Complaints
Failure Mileage (Median):55,000 milesIQR: 35,00075,000 mi
Estimated Repair Cost:$650 – $1,250 MazicBay Repair Intelligence Model
Recall Status:Out-of-Pocket / TSB RemedyNHTSA Campaign Audit
Reported Defect Symptoms
  • Sudden loss of propulsion power at highway speeds
  • Extended engine cranking / failure to restart
  • Fuel odor near fuel tank / engine bay
Potentially Associated OBD-II Codes

Correlated via MazicBay Diagnostic Engine (not NHTSA verified fact).

Sample Verified NHTSA Evidence Records (1)
ODI #11684292 • Filed: 09/01/2025

I been having issues with my car stalling out and not wanting to start I got the spark plugs replaced by a mechanic and then my car starts over heating I have my car looked at by a mechanic again and I’m told the engine is corrupt by oil and the fuel pump is bad my car can be ...

Safety Enforcement

Official NHTSA Safety Recalls (6)

100% Free Dealer Repair
NHTSA Campaign #21V138000Reported: 04/03/2021

STEERING:LINKAGES:TIE ROD ASSEMBLY

Summary: Nissan North America, Inc. (Nissan) is recalling certain 2020-2021 Nissan Altima vehicles. The tie rod ball joint fastener was not tightened properly, which could result in the tie rod ball joint detaching from the steering knuckle.

Safety Consequence: A detached tie rod ball joint can cause a loss of steering control, and increase the risk of a crash.
Manufacturer Remedy: Nissan will notify owners, and dealers will tighten the left and right-side tie rod ball joint fasteners, or install new fasteners as necessary, free of charge. The began March 31, 2021. Owners may contact Nissan customer service at 1-800-867-7769. Nissan's number for this recall is PC795.
NHTSA Campaign #21V169000Reported: 11/03/2021

TIRES

Summary: Nissan North America, Inc. (Nissan) is recalling certain 2019-2020 Altima and 2018-2021 Titan vehicles equipped with Continental tires. On the affected vehicles, it is possible that one or more tires were cured for too long during tire production.

Safety Consequence: Over cured tires may develop a break in the sidewall, resulting in sudden air loss or belt edge separation which could lead to tread/belt loss. Either condition can cause a loss of vehicle control, increasing the risk of a crash.
Manufacturer Remedy: Nissan will notify owners, and dealers will inspect the tires, and replace them as necessary, free of charge. Owner notification letters were mailed on May 11, 2021. Owners may contact Nissan customer service at 1-800-867-7669. Nissan's number for this recall is PC798.
NHTSA Campaign #20V570000Reported: 22/09/2020

VISIBILITY:GLASS, SIDE/REAR

Summary: Nissan North America, Inc. (Nissan) is recalling certain 2020 Altima, Maxima and Leaf vehicles. The rear window glass may not remain properly secured to the vehicle.

Safety Consequence: Rear window glass that separates from the vehicle can increase the risk of a crash.
Manufacturer Remedy: Nissan will notify owners, and dealers will replace the back window glass, free of charge. The recall began November 4, 2020. Owners may contact Nissan customer service at 1-800-867-7669. Nissan's number for this recall is PC752.
NHTSA Campaign #20V685000Reported: 05/11/2020

TIRES

Summary: Nissan North America, Inc. (Nissan) is recalling certain 2020 Altima S grade vehicles equipped with Continental ProContact TX tires, size 215/60 R16 H, with TIN date code 3320 and Mold ID S-419149. The tires may have been over cured.

Safety Consequence: Over cured tires can result in a sidewall break causing a sudden loss of air or the tread separating from the tire. Both conditions increase the risk of a crash.
Manufacturer Remedy: Nissan will notify owners, and dealers will inspect the vehicle's tires to see if they are affected, replacing them as necessary, free of charge. The recall began December 10, 2020. Owners may contact Nissan customer service at 1-800-8677669. Nissan's number for this recall is PC765.
NHTSA Campaign #23V628000Reported: 08/09/2023

BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

Summary: Nissan North America, Inc. (Nissan) is recalling certain 2019-2021 Altima and 2020-2021 Sentra vehicles. Damage to the camera harness can cause distortion or loss of the rearview camera display image. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."

Safety Consequence: A rearview camera that does not properly display an image can reduce the driver's rear view, increasing the risk of a crash.
Manufacturer Remedy: Dealers will inspect the rearview camera and harness for damage and replace them as necessary. If no damage is found, the dealer will apply protective tape and reroute the rearview camera harness. Repairs will be performed free of charge. Owner notification letters are expected to be mailed October 19, 2023. Owners may contact Nissan's customer service at 1-800-867-7669. Nissan's number for this recall is R23C3.
NHTSA Campaign #25V437000Reported: 27/06/2025

ENGINE AND ENGINE COOLING:ENGINE:HARD PARTS INTERNAL/MECHANICAL

Summary: Nissan North America, Inc. (Nissan) is recalling certain 2021-2024 Rogue, 2019-2020 Altima, 2019-2022 Infiniti QX50, and 2022 Infiniti QX55 vehicles equipped with 3-cylinder 1.5L or 4-cylinder 2.0L variable compression turbo (VC-Turbo) engines. The engine bearings may have manufacturing defects that can lead to engine failure.

Safety Consequence: Engine failure increases the risk of a crash. A bearing failure may cause a breach in the engine block, allowing hot oil to be discharged, increasing the risk of an engine fire.
Manufacturer Remedy: Dealers will reprogram the engine control module (ECM) software, free of charge. Owner letters were mailed April 8, 2026. Owners may contact Nissan's customer service at 800-647-7261 or Infiniti's customer service at 1-800-662-6200. Nissan's numbers for this recall are R25A8/A9 and R25B1/B2.

Pre-Purchase Inspection Checklist for 2020 Nissan Altima

Before purchasing a used 2020 Nissan Altima, perform the following targeted inspections based on reported federal defect patterns:

1. Cold Start & Idle Diagnostics

Scan the OBD-II port under the dash for pending freeze-frame codes (e.g. P0300 misfires, P0087 fuel rail pressure, P0420 catalytic efficiency).

2. Transmission Shift Quality Audit

Test vehicle at low-speed stop-and-go and highway merges. Check for delayed reverse engagement or gear shift shudder between 2nd and 3rd gears.

3. Federal Recall Completion Check

Verify that all 6 NHTSA safety recall campaigns have been performed by an authorized dealership using the VIN.

4. Electrical & Infotainment Drain Check

Ensure the instrument cluster, center screen, and auxiliary charging ports operate with stable 12.0V–14.4V alternator voltage.

Frequently Answered Questions

Defect & Reliability Q&A: 2020 Nissan Altima

Is the 2020 Nissan Altima a reliable used car?

The 2020 Nissan Altima earns a 4.8/10 MazicBay Reliability Index based on 178 federal owner reports. Vehicles maintained under factory service schedules exhibit strong longevity past 150,000 miles.

What is the most frequent defect reported on the 2020 Nissan Altima?

The leading complaint category is Electrical Parasitic Drain, Infotainment & Harness Reports, with a median failure point around 51,543 miles (IQR: 50,36552,722 mi).

Are there free recall repairs available for the 2020 Nissan Altima?

Yes, the NHTSA records 6 safety recall campaign(s) for this model year. All safety recalls are performed 100% free of charge by authorized franchise dealerships regardless of vehicle warranty status.