DETROIT (AP) — Nissan Motor Co. is recalling 52,016 Titan pickup trucks because their rear seat belts might not adequately protect passengers.

The recall affects the 2016-2016 Nissan Titan Crew Cab and Titan XD Crew Cab pickups. Most of the vehicles are in the U.S., but Nissan said 7,752 are in Canada.>>Inside woodtv.com: How to check your vehicle for recalls

Nissan discovered through testing that a passenger’s head could come into contact with part of the rear seat belt assembly in a crash.

The company says it has no reports of injuries related to the defect.

Nissan will notify owners and repair the vehicles for free.