2021 Nissan Sentra Electrical System Problems
NHTSA lists 40 Electrical System complaints for the 2021 Nissan Sentra, 31% of its 131 total complaints. There is 1 reported injury and no fires or crashes tied to this area, and no related recall is on file.
- Electrical System complaints
- 40
- 31% of 131
- Crashes reported
- 0
- Fires reported
- 0
- Injuries reported
- 1
- Median mileage
- 47,930 mi
- Related recalls
- 0
Typical electrical symptoms owners report
- Passenger and rear power windows stop responding while the driver's window keeps working, sometimes going up or down very slowly or getting stuck open.
- Dashboard shows a 'system malfunction' warning paired with the engine stalling or failing to restart, in one case while driving at highway speed.
- Automatic emergency braking activates on its own with no vehicle or obstacle nearby, suddenly slowing the car in traffic.
- Battery-related failures leave the car unable to start or requiring a jump, with some owners reporting the battery replaced more than once.
- Dimming or flickering headlights tied to accelerator pedal position, occurring mainly during nighttime driving.
- Static or short-circuit symptoms in the audio system accompany intermittent shutdowns and battery drain.
When 2021 Nissan Sentra electrical complaints were filed
First complaint Jun 26, 2021, latest Apr 27, 2026.
Electrical System recalls for the 2021 Nissan Sentra
No safety recalls on record for this model year.
Electrical System complaints by Sentra model year
Raw complaint counts per model year; newer years have had less time to accumulate complaints.
Frequently asked questions
- How many electrical complaints does the 2021 Nissan Sentra have?
- NHTSA lists 40 Electrical System complaints for the 2021 Sentra, which is 31% of the 131 total complaints filed for that model year.
- Is there a recall for the 2021 Nissan Sentra's electrical system?
- No. NHTSA does not list any related recall for the Electrical System on the 2021 Nissan Sentra.
- What electrical problems do 2021 Sentra owners report most?
- Owners most often describe power windows that stop working (usually all except the driver's), system malfunction warnings paired with stalling, and unexpected automatic emergency braking.
- Has the electrical issue caused any crashes or fires?
- NHTSA data shows 0 crashes and 0 fires linked to Electrical System complaints on the 2021 Sentra, though 1 injury has been reported.
- At what mileage do these electrical problems usually appear?
- The median mileage at failure across reported cases is 47,929.5 miles.