Ford is recalling more than 310,000 trucks in the U.S. because of an issue that could prevent the driver’s front air bag from inflating during a crash.

A build-up of dust inside a cable of the steering wheel can interrupt the electrical connection, according to Ford.

The recall affects certain F-250, F-350, F-450, and F-550 Super Duty truck models from the 2016 model year.

Warning signs include popping or clicking noises inside the steering wheel, and disabled steering wheel switches and horn. The airbag warning light may also notify owners of the issue. 

Ford said it is not aware of any crashes or injuries caused by the problem.

Dealers will replace the steering wheel wiring assembly at no cost to owners, who will begin being notified on July 5.