C0105
Brake Pedal Position Sensor Circuit Low
2010-2021 Fiat Uno 1.0L I4 Flex Fire Evo
Moderate SeverityChassisGeneric (SAE)
Description
The brake pedal position sensor signal voltage is below the minimum threshold.
Symptoms
- ABS light on
- Brake assist fault
- Module reads brake as always applied
Common Causes
- Short to ground in sensor circuit
- Faulty sensor
- Low supply voltage to sensor
Diagnostic Steps
- Test sensor signal voltage
- Check for shorts to ground
- Verify supply voltage at sensor
- Inspect wiring harness
Repair Notes
Repair short circuit or replace brake pedal position sensor.
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
C0105 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 C0105 mean on a 2010-2021 Fiat Uno?
C0105 stands for "Brake Pedal Position Sensor Circuit Low". The brake pedal position sensor signal voltage is below the minimum threshold.
What are the symptoms of C0105 on a Fiat Uno?
Common symptoms of C0105 include: ABS light on, Brake assist fault, Module reads brake as always applied.
What causes C0105 on a 2010-2021 Fiat Uno?
Common causes of C0105 include: Short to ground in sensor circuit, Faulty sensor, Low supply voltage to sensor.