2026 Tesla Model Y electrical system problems

What owners report

• “Water entusion in the tail light bar. After time causes corrosion of the circuit board on the turn rear turn signal making it inoperable. tesla doesn't have an open document nor a recall. Was quoted over $1300 to replace the assembly. I did a teardown of the root cause. Glue sealing the through…”

  filed Sep 14, 2026

• “The contact owns a 2026 Tesla Model Y. The contact stated that while the vehicle was in Full Self-Driving (FSD) Mode, while reversing into a parking space, the vehicle initially stopped while approaching a pillar on the driver's side; however, the vehicle then proceeded to park and scraped the…”

  filed Sep 2, 2026

Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.

Related recalls

• Battery pack contactors may fail, causing a loss of drive power
  Campaign 25V690000 · Oct 10, 2025
• Reverse lights may fail to illuminate while the vehicle is in reverse, due to a defect in…
  Campaign 25V658000 · Oct 1, 2025
• Ring terminal of the horn ground wire may be improperly secured, allowing the circuit to…
  Campaign 25V490000 · Jul 28, 2025

Related service bulletins

• On some Model Y vehicles, water may ingress into the front fascia camera via the channels on the front fascia harness. This may corrode the camera connector or submerge the camera lens, which results in camera alerts…

  SB-25-17-012 · Service Bulletin/Repair Instructions · issued Feb 18, 2026

Electrical System problems in other Model Y years

Other reported problem areas on the 2026 Tesla Model Y