2018–2020 Tesla Model 3: Front seat belt may not restrain properly (B-pillar fastener recall)
Likely causes, ranked
- Improperly attached B-pillar seat belt fasteners$0–$0Shop
Real-owner fix counts will appear here as reports come in.
DIY or shop: See DIY or shop section
Parts to check
As an Amazon Associate I earn from qualifying purchases.
These are search links; confirm fitment for your exact engine and trim. Affiliate disclosure
Symptom: There may be no warning. Any looseness at the upper front seat belt mount needs checking right away.
Likely causes
- Improperly attached B-pillar seat belt fasteners. Tesla inspects and repairs both fasteners.
DIY or shop?
Dealer. Recall repairs are free.
Useful steps
- Check your VIN for 21V389.
- Do not wait for a crash to find out a fastener is loose — schedule the inspection.
Vehicle focus: 2018–2020 Tesla Model 3.
Safety / mechanic note
Seat belts are a primary crash restraint. Verify with Tesla Service.
Recalls & service bulletins
Recalls
- 21V389000 2018–2020 Model 3 (and 2019–2021 Model Y): one or both fasteners that secure the front seat shoulder belt to the B-pillar may not be properly attached. Tesla inspects and repairs the fasteners. Details
NHTSA complaints: 331 keyword-matched complaints for Tesla MODEL 3 2018–2020 (of 2,096 unique complaints queried, NHTSA complaints API by model year, queried 2026-10-16).
Always check your VIN for open recalls at nhtsa.gov/recalls.
Sources
What actually fixed it?
Had this problem? Tell other owners what the real fix was. Reports are counted above; we never show made-up numbers.