2019 Infiniti Q50: Electrical System complaints
Owner-reported issue (NHTSA complaints, not a recall)
Symptoms
NHTSA has 6 owner complaints for the 2019 Infiniti Q50 that list the electrical system component. Complaints are individual owner reports, not verified defects.
Examples:
- NHTSA complaint ODI #11493583 (filed 11/15/2022): “Vehicle was purchased december 2021 upon purchasing the vehicle i noticed the horn was not functioning, vehicle was taken back to dealership, they corrected the issue, then months later horn isn't functioning at all. nor is lane departure warning, lane keeping assistance, parking collision warning, …”
- NHTSA complaint ODI #11451597 (filed 02/11/2022): “I have 3 issues with the car. the braking issue presented itself last in time but is most important relative to safety. around mid january 2022, my car, while i was driving, and without any notice, began to decelerate/brake for no reason. my car is equipped with front driver assist but there were…”
- NHTSA complaint ODI #11287709 (filed 12/07/2019): “Rm collision forged my signature to cash out 20'000$ and did not fix my car. my car was stolen june 15, 2019…”
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)
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Sources
Page last updated .