Brake Apply Circuit Low
2018-2025 Fiat Cronos 1.3L I4 Flex Firefly π¨π¦
Description
Low signal in the brake apply circuit indicates the module does not see brake application.
Symptoms
- Cruise control inoperative
- Shift interlock stuck
- Brake lights may not illuminate
- ABS light on
Common Causes
- Brake switch stuck open
- Wiring short to ground
- Brake pedal not contacting switch
- Switch plunger broken
Diagnostic Steps
- Check if brake lights illuminate when pedal pressed
- Test switch continuity
- Inspect switch mounting and pedal contact
- Check wiring for shorts to ground
Repair Notes
Adjust or replace brake light switch. Check pedal bumper pad.
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
C0111 on Other Vehicles
Fiat 124 Spider
2017-2020 1.4L I4 Turbo
Fiat 126p Maluch
1973-2000 0.65L I2 Air-Cooled
Fiat 126p Maluch
1987-2000 0.7L I2 Air-Cooled
Fiat 500
2012-2019 1.4L I4
Fiat 500 Abarth
2012-2019 1.4L I4 Turbo
Fiat 500 BR
2011-2020 1.4L I4 Flex Fire Evo
Fiat 500 PL
2007-2025 1.0L I3 Hybrid FireFly 70
Fiat 500 PL
2007-2025 1.2L I4 Fire 69
Common Questions
What does code C0111 mean on a 2018-2025 Fiat Cronos?
C0111 stands for "Brake Apply Circuit Low". Low signal in the brake apply circuit indicates the module does not see brake application.
What are the symptoms of C0111 on a Fiat Cronos?
Common symptoms of C0111 include: Cruise control inoperative, Shift interlock stuck, Brake lights may not illuminate, ABS light on.
What causes C0111 on a 2018-2025 Fiat Cronos?
Common causes of C0111 include: Brake switch stuck open, Wiring short to ground, Brake pedal not contacting switch, Switch plunger broken.