2019 Nissan Sentra: Computerized system communication failure
Common wear/failure (not a recall)
Symptoms
Owners of the 2019 Sentra report: computerized system communication failure. CarComplaints.com lists 1 owner complaints, average mileage 850 miles.
NHTSA has 65 owner complaints for the 2019 Sentra in this area. Examples:
- NHTSA complaint ODI #11771857 (filed 10/17/2026): “I purchased the vehicle [xxx] from carmax. at that time, it had an active recall which the previous owner did not resolve. i brought the vehicle to nissan of irvine on [xxx], at which time they installed new stop lamp switch and rubber grommet. the car proceed…”
- NHTSA complaint ODI #11749705 (filed 07/11/2026): “Collision warning sound happens randomly for no reason…”
Likely causes
Sources do not establish a single root cause; diagnosis is needed. Owner-reported fixes are listed below.
Fix, in plain English
Most common owner-reported solutions on CarComplaints.com: none clearly reported. Check for open recalls and extended warranty coverage with a dealer before paying out of pocket.
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: get a written quote after diagnosis.
Typical parts (search links, no affiliate codes)
AutoZone · O'Reilly · Advance · RockAuto
Sources
- CarComplaints.com: Computerized system communication failure (2019 Sentra)
- NHTSA complaints API, 2019 Sentra
Page last updated .