Brake Pedal Position Sensor Range/Performance
2004-2016 Aston Martin DB9 6.0L V12
Description
The brake pedal position sensor signal does not correlate with actual pedal travel or other brake sensors.
Symptoms
- ABS light on
- Brake assist inoperative
- Regenerative braking inconsistent
- Stability control disabled
Common Causes
- Brake pedal position sensor wear
- Mechanical linkage issue
- Sensor calibration drift
- Brake pedal free play excessive
Diagnostic Steps
- Compare pedal position sensor to brake pressure sensor data
- Check for dead spots in sensor range
- Inspect pedal linkage and pivot
- Verify pedal free play is within specification
- Perform sensor recalibration if applicable
Repair Notes
Replace sensor if worn. Adjust pedal free play to specification.
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
C0101 on Other Vehicles
Aston Martin DB11
2016-2024 4.0L V8 Twin Turbo
Aston Martin DB11
2016-2024 5.2L V12 Twin Turbo
Aston Martin DB7
1994-2003 3.2L I6 Supercharged
Aston Martin DBS Superleggera
2019-2024 5.2L V12 Twin Turbo
Aston Martin DBX
2020-2024 4.0L V8 Twin Turbo
Aston Martin Vantage
2005-2024 4.7L V8
Aston Martin Vantage
2018-2024 4.0L V8 Twin Turbo
Common Questions
What does code C0101 mean on a 2004-2016 Aston Martin DB9?
C0101 stands for "Brake Pedal Position Sensor Range/Performance". The brake pedal position sensor signal does not correlate with actual pedal travel or other brake sensors.
What are the symptoms of C0101 on a Aston Martin DB9?
Common symptoms of C0101 include: ABS light on, Brake assist inoperative, Regenerative braking inconsistent, Stability control disabled.
What causes C0101 on a 2004-2016 Aston Martin DB9?
Common causes of C0101 include: Brake pedal position sensor wear, Mechanical linkage issue, Sensor calibration drift, Brake pedal free play excessive.