There are 1 owner-reported electrical system complaints for the 2010 Volvo S40in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
I got into a car accident today. The electrical wiring is constantly giving out and I had no idea my airbags wouldn't work until today when they did not deploy. My car hit the other car enough to move it several feet and no airbags.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026