C0112
Brake Apply Circuit High
2000-2003 Ford Excursion 7.3L V8 Power Stroke Diesel
Moderate SeverityChassisGeneric (SAE)
Description
High signal in the brake apply circuit indicates constant brake application detected.
Symptoms
- Cruise control disengages immediately
- Brake lights always on
- ABS light on
- Shift interlock always released
Common Causes
- Brake switch stuck closed
- Wiring shorted to voltage
- Switch plunger stuck
- Pedal not fully returning
Diagnostic Steps
- Check if brake lights stay on with pedal released
- Test switch at rest and applied positions
- Inspect switch mounting
- Check pedal return spring
- Look for wiring shorts to voltage
Repair Notes
Replace brake switch. Check pedal return mechanism.
Related Codes
Other Chassis Codes
- C0021LF Wheel Speed Sensor Range/Performance
- C0022RF Wheel Speed Sensor Range/Performance
- C0023LR Wheel Speed Sensor Range/Performance
- C0024RR Wheel Speed Sensor Range/Performance
- C0025LF Wheel Speed Sensor Circuit Intermittent
- C0026RF Wheel Speed Sensor Circuit Intermittent
- C0027LR Wheel Speed Sensor Circuit Intermittent
- C0028RR Wheel Speed Sensor Circuit Intermittent
- C0035Left Front Wheel Speed Sensor Circuit
- C0036Left Front Wheel Speed Signal Erratic
C0112 on Other Vehicles
Common Questions
What does code C0112 mean on a 2000-2003 Ford Excursion?
C0112 stands for "Brake Apply Circuit High". High signal in the brake apply circuit indicates constant brake application detected.
What are the symptoms of C0112 on a Ford Excursion?
Common symptoms of C0112 include: Cruise control disengages immediately, Brake lights always on, ABS light on, Shift interlock always released.
What causes C0112 on a 2000-2003 Ford Excursion?
Common causes of C0112 include: Brake switch stuck closed, Wiring shorted to voltage, Switch plunger stuck, Pedal not fully returning.