IPC Turn Signal Indicator Flashes Fast When Pickup Box Removed For Upfitter – No Inoperative Bulbs – 2017 Ford F-Super Duty – Pickup Only

2018 Ford F-Super Duty

NHTSA ID Number: 10143092 Manufacturer Communication Number: SSM 47354   Summary Some 2017-2018 F-Super Duty pickups may exhibit an instrument panel cluster (IPC) turn signal indicator that flashes fast with no inoperative turn signal lamps after the pickup box has been removed by the upfitter. This may be due to the body control module (BCM) not recognizing … Read more