Ford 2008 F-250 Owner's Manual page 121

Driver Controls
PARK BRAKE ENGAGED Displayed when the parking brake is applied
(or not fully released).
CHECK BRAKE SYSTEM Displayed when a fault has been detected by
the ABS module.
TRAILER FAULT (if equipped): Displayed if there is a short circuit on
the electric brake output wire or the trailer brakes are drawing too much
current. Refer to Integrated trailer brake controller in the Tires,
Wheels and Loading chapter for more information.
TBC FAULT (if equipped): Displayed in response to faults sensed by
the trailer brake controller (TBC). In the event this message is seen,
please take your vehicle to an authorized dealer for diagnosis and repair.
Refer to Integrated trailer brake controller in the Tires, Wheels and
Loading chapter for more information.
TRAILER DISCONNECTED (if equipped): Displayed when a trailer
connection becomes disconnected, either intentionally or unintentionally,
and has been sensed during a given ignition cycle. Refer to Integrated
trailer brake controller in the Tires, Wheels and Loading chapter for
more information.
CHECK AIR FILTER (Diesel engine only): Refer to Instrument
Cluster in your 6.0/6.4 Liter Power Stroke Direct Injection Turbo
Diesel Owner's Guide Supplement.
LOW BRAKE FLUID LEVEL Indicates the brake fluid level is low and
the brake system should be inspected immediately. Refer to Brake fluid
in the Maintenance and Specifications chapter.
DRAIN WATER SEPARATOR (Diesel engine only) Displayed when
the water separator has reached a predetermined capacity and needs to
be drained. Refer to your 6.0/6.4 Liter Power Stroke Direct Injection
Turbo Diesel Owner's Guide Supplement for more information.
121
2008 F-250/350/450/550 (f23)
Owners Guide (post-2002-fmt)
USA (fus)