Brake Pedal Position Sensor Circuit Low
2017-2020 Tesla Model 3 Standard Range Plus Single Motor RWD
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
Tesla Cybertruck
2024-2024 Cyberbeast Tri Motor AWD
Tesla Cybertruck
2024-2024 Dual Motor AWD
Tesla Cybertruck
2024-2024 Single Motor RWD
Tesla Model 3
2017-2020 Long Range Dual Motor AWD
Tesla Model 3
2017-2020 Performance Dual Motor AWD
Tesla Model 3
2021-2024 Long Range Dual Motor AWD
Tesla Model 3
2021-2024 Performance Dual Motor AWD
Tesla Model 3
2021-2024 Standard Range Single Motor RWD
Common Questions
What does code C0105 mean on a 2017-2020 Tesla Model 3?
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 Tesla Model 3?
Common symptoms of C0105 include: ABS light on, Brake assist fault, Module reads brake as always applied.
What causes C0105 on a 2017-2020 Tesla Model 3?
Common causes of C0105 include: Short to ground in sensor circuit, Faulty sensor, Low supply voltage to sensor.