2021 Nissan Sentra electrical system problems
38 owner complaints filed with NHTSA name the electrical system on the 2021 Nissan Sentra — 29% of all complaints for this model year.
What owners report
“The infotainment/radio system in my 2021 Nissan Sentra intermittently reboots and produces static. When this happens, the backup camera freezes or shuts off completely. This has occurred while I was actively reversing, causing a sudden loss of rear visibility. The screen either goes black or…”
filed Apr 27, 2026
“The passenger front, and both back windows no longer function. This appears to be a common issue when searching the internet. There is also an issue with the keyless start, as it often does not recognize that the fob is in the vehicle, or gives a low batter warning (with a new battery). As there…”
filed Feb 26, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
AUTOMATIC 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, 2025DTC B2E01-96 (INTERNAL BATTERY) STORED AS CURRENT IN IVC This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. SERVICE INFORMATION The APPLIED…
NTB22-027B · Service Bulletin/Repair Instructions · issued Aug 15, 2024DTCS B2E4B-06, B2E60-06, B2E61-06 DISPLAYED AS CRNT IN THE TCU This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. IF YOU CONFIRM The customer…
NTB21-037D · Service Bulletin/Repair Instructions · issued Aug 15, 2024
Electrical System problems in other Sentra years
| Year | Reports | Share |
|---|---|---|
| 2025 Sentra | 3 | 12% |
| 2024 Sentra | 7 | 22% |
| 2022 Sentra | 24 | 30% |
| 2020 Sentra | 44 | 22% |
| 2019 Sentra | 64 | 29% |
| 2018 Sentra | 32 | 17% |
| 2017 Sentra | 33 | 14% |
| 2016 Sentra | 44 | 16% |
| 2015 Sentra | 25 | 7% |
| 2014 Sentra | 32 | 8% |
| 2013 Sentra | 43 | 7% |
| 2012 Sentra | 13 | 7% |
Other reported problem areas on the 2021 Nissan Sentra
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.