United States 99V267000
Ford Motor Company
The problem
VEHICLE DESCRIPTION: MEDIUM DUTY TRUCKS EQUIPPED WITH HYDROMAX HYDRAULIC BRAKE SYSTEMS. THE PARK BRAKE WARNING LAMP CIRCUITRY DOES NOT INCLUDE A PROVISION FOR A PARK BRAKE WARNING LAMP CHECK FUNCTION. THEREFORE, THESE VEHICLES DO NOT COMPLY WITH THE REQUIREMENTS OF FMVSS NO. 105, "HYDRAULIC BRAKE SYSTEMS."
Risk
THE CHECK LAMP FUNCTION OF THE PARK BRAKE WARNING LAMP IS INTENDED TO ILLUMINATE THE LAMP WHEN THE IGNTION KEY IS TURNED TO THE RUN POSITION. THE PARK BRAKE WARNING LAMP CHECK FUNCTION WAS NOT INCORPORATED INTO THE MODULE WHICH CONTROLS THIS FEATURE.
What owners should do
DEALERS WILL INSTALL A REVISED MODULE WHICH INCORPORATES THE PARK BRAKE CHECK LAMP FUNCTION.
Units 5125