2021 Nissan Frontier: Electrical System complaints
Owner-reported issue (NHTSA complaints, not a recall)
Symptoms
NHTSA has 6 owner complaints for the 2021 Nissan Frontier that list the electrical system component. Complaints are individual owner reports, not verified defects.
Examples:
- NHTSA complaint ODI #11770806 (filed 10/13/2026): “While driving on a two lane state route road towing a rv at approximately 60 mph, the first indication of an issue was an amber abs warning light accompanied by an amber traction control light. shortly after a red brake warning light illuminated. shortly after that an amber 4wd drive light illumin…”
- NHTSA complaint ODI #11764290 (filed 09/15/2026): “Started rolling in park, then would not start towed to dealer , no word and no help!!!!…”
- NHTSA complaint ODI #11693475 (filed 10/14/2025): “I [xxx] purchased the vehicle from daytona, nissan on [xxx] on the morning of [xxx], the airbag light came on. and was flashing. i took videos of all the different occurrences.i went back to the dealership and talked to the salesman that sold it to us.his name was simon.and he brought us in, and we…”
Likely causes
These complaints do not establish a single root cause; read the examples above and get a diagnosis.
Fix, in plain English
No single fix is established by these reports. Check your VIN for open recalls at nhtsa.gov/recalls, ask a dealer about technical service bulletins (TSBs) or extended warranty coverage, then have the system diagnosed.
DIY difficulty: Moderate
Finding and splicing chewed wiring is doable with a multimeter and patience but can be time-consuming; harness replacement is pro work. (Our assessment.)
Cost
No sourced cost range for this issue. Get a written quote after diagnosis.
Typical parts (search links, no affiliate codes)
AutoZone · O'Reilly · Advance · RockAuto
Sources
Page last updated .