Two major heavy-duty truck brands have announced recalls.

Paccar is recalling some Peterbilt and Kenworth trucks due to an issue with the seat assemblies that could cause a short circuit, increasing the risk of a fire.

The National Highway Traffic Safety Administration said the recall includes about 811 model year 2027 Kenworth T680, T880 and W990 trucks, and 2027 Peterbilt 567, 579 and 589 trucks.

In the affected trucks, the seat ventilation harness may be missing heat-shrink, which can result in a short circuit.

Dealers will replace the harnesses, free of charge. Owner notification letters are expected to be mailed Oct. 20. Owners can contact Peterbilt’s customer service at 1-940-591-4220 or Kenworth’s customer service at 1-425-828-5888. PACCAR’s number for this recall is 25PACE. NHTSA’s recall number is 26V-544.