NHTSA campaign 18V894000
Hazard
Ford Motor Company (Ford) is recalling certain 2015-2019 Ford F-150 and 2017-2019 Ford F-250 Super Duty, F-350 Super Duty, F-450 Super Duty, and F-550 Super Duty pick-up trucks equipped with an engine block heater. Water and contaminants may get into the block heater cable's splice connector causing corrosion and damage.
Consequence
When the heater is plugged in, prolonged corrosion could cause a resistive short, increasing the risk of overheated or melted wiring which can increase the risk of a fire.
Remedy
Ford will notify owners, and dealers will disable the block heater cable, free of charge. Once parts are available, Dealers will replace the engine block heater cable, free of charge. The recall began June 3, 2019. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 18S45.
The text above is quoted verbatim from the NHTSA record. Confirm the affected units and the remedy with the manufacturer or NHTSA. Recall data may be incomplete, delayed, or superseded.