C0105moderate severityChassis
Brake Pedal Position Sensor Circuit Low
on 2021 Lincoln Aviator 3.0L V6 Twin Turbo · AWD
What this code means
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.
Other Chassis codes on this vehicle
C0021
LF Wheel Speed Sensor Range/Performance
C0021
LF Wheel Speed Sensor Range/Performance
C0022
RF Wheel Speed Sensor Range/Performance
C0022
RF Wheel Speed Sensor Range/Performance
C0023
LR Wheel Speed Sensor Range/Performance
C0023
LR Wheel Speed Sensor Range/Performance
C0024
RR Wheel Speed Sensor Range/Performance
C0024
RR Wheel Speed Sensor Range/Performance
C0025
LF Wheel Speed Sensor Circuit Intermittent
C0025
LF Wheel Speed Sensor Circuit Intermittent