2021 Nissan Altima electrical system problems
21 owner complaints filed with NHTSA name the electrical system on the 2021 Nissan Altima — 30% of all complaints for this model year.
What owners report
“Got the car from kingdom Chevy on 66 and western on February 2024 used at 62.000. I took the car back twice because the screen in the car kept cutting off fading on and fading off. Secondly, the Bluetooth plug would not work. I did not have the car a month. They kept telling me that nothing was…”
filed Jul 23, 2026
“Door lock actuators have failed completely on 2 doors, and intermittently on 1 door of a 2021 Nissan Altima. They do not respond to either the key fob or door button. There are no warnings or indicators associated with this component so it is unknown when the failures first occurred, but it was…”
filed Jul 7, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
TELEMATICS SERVICE INFORMATION HINT: This bulletin applies to vehicles equipped with a 4G network compatible TCU. TCUs compatible with 3G network only are no longer supported. SERVICE INFORMATION The APPLIED VEHICLES…
NTB15-049CC · Service Bulletin/Repair Instructions · issued Mar 30, 2026AUTOMATIC EMERGENCY BRAKING WARNING LIGHT BLINKING APPLIED SYSTEMS: Vehicles equipped with a lane camera (see Figure 1) SERVICE INFORMATION If the Automatic Emergency Braking (AEB) warning light or is blinking (but not…
NTB19-042F · Service Bulletin/Repair Instructions · issued Feb 20, 2025INTELLIGENT CRUISE CONTROL INOPERATIVE AND AEB/FEB WARNING LIGHT ON OR RADAR OBSTRUCTION MESSAGE DISPLAYED WITH DTC C1A16 OR C2582 IF YOU CONFIRM IMPORTANT: The purpose of ACTION (on the next page) is to give you a…
NTB19-033G · Service Bulletin/Repair Instructions · issued Feb 20, 2025FALSE ACTIVATION OF AEB OR FCW APPLIED VEHICLES: 2021-2022 Altima (L34) 2022-2023 Frontier (D41) 2020-2022 Sentra (B18) APPLIED DATES: Altima: All Frontier: All Sentra: Built on or before March 10, 2022 APPLIED SYSTEMS…
NTB21-115B · Service Bulletin/Repair Instructions · issued Jul 11, 2024VEHICLE 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.
NTB13-107G · Service Bulletin/Repair Instructions · issued May 21, 2024
Electrical System problems in other Altima years
| Year | Reports | Share |
|---|---|---|
| 2024 Altima | 3 | 8% |
| 2023 Altima | 10 | 34% |
| 2022 Altima | 7 | 23% |
| 2020 Altima | 45 | 25% |
| 2019 Altima | 58 | 26% |
| 2018 Altima | 37 | 17% |
| 2017 Altima | 26 | 7% |
| 2016 Altima | 42 | 8% |
| 2015 Altima | 54 | 6% |
| 2014 Altima | 71 | 6% |
| 2013 Altima | 159 | 7% |
| 2012 Altima | 44 | 10% |
Other reported problem areas on the 2021 Nissan Altima
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.