Brake Pedal Position Sensor Circuit Low
2022-2024 Rivian R1S Quad Motor AWD
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
Rivian R1S
2022-2024 Large Pack Dual Motor AWD
Rivian R1S
2022-2024 Max Pack Dual Motor AWD
Rivian R1S
2022-2024 Standard Range Dual Motor AWD
Rivian R1T
2021-2024 Large Pack Dual Motor AWD
Rivian R1T
2021-2024 Max Pack Dual Motor AWD
Rivian R1T
2021-2024 Quad Motor AWD
Rivian R1T
2021-2024 Standard Range Dual Motor AWD
Common Questions
What does code C0105 mean on a 2022-2024 Rivian R1S?
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 Rivian R1S?
Common symptoms of C0105 include: ABS light on, Brake assist fault, Module reads brake as always applied.
What causes C0105 on a 2022-2024 Rivian R1S?
Common causes of C0105 include: Short to ground in sensor circuit, Faulty sensor, Low supply voltage to sensor.