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Home/DTC Codes/Aston Martin/DB9/2004-2016 6.0L V12/C0100
C0100

Brake Pedal Position Sensor Circuit

2004-2016 Aston Martin DB9 6.0L V12

Moderate SeverityChassisGeneric (SAE)

Description

General malfunction in the brake pedal position sensor, which provides analog brake apply data to the ABS/stability module.

Symptoms

  • ABS warning light
  • Stability control disabled
  • Regenerative braking fault on hybrids
  • Brake assist may not activate

Common Causes

  • Faulty brake pedal position sensor
  • Sensor wiring damage
  • Connector corrosion at sensor
  • ABS module input failure

Diagnostic Steps

  1. Read brake pedal position with scan tool while pressing pedal
  2. Check for smooth, proportional signal
  3. Inspect sensor wiring and connector
  4. Test sensor supply voltage
  5. Check for related brake switch codes

Repair Notes

Replace brake pedal position sensor. Verify smooth signal across full pedal travel.

Related Codes

C0085Brake Pressure Sensor CircuitC0095Brake Lamp Switch CircuitC0101Brake Pedal Position Sensor Range/Performance

Other Chassis Codes

C0100 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 C0100 mean on a 2004-2016 Aston Martin DB9?

C0100 stands for "Brake Pedal Position Sensor Circuit". General malfunction in the brake pedal position sensor, which provides analog brake apply data to the ABS/stability module.

What are the symptoms of C0100 on a Aston Martin DB9?

Common symptoms of C0100 include: ABS warning light, Stability control disabled, Regenerative braking fault on hybrids, Brake assist may not activate.

What causes C0100 on a 2004-2016 Aston Martin DB9?

Common causes of C0100 include: Faulty brake pedal position sensor, Sensor wiring damage, Connector corrosion at sensor, ABS module input failure.

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