Brake Lamp Switch Circuit 2 Malfunction
2004-2016 Aston Martin DB9 6.0L V12
Description
The secondary or redundant brake lamp switch input to the ABS/stability module is faulty.
Symptoms
- ABS light on
- Stability control disabled
- Cruise control inoperative
- Brake light inconsistency detected
Common Causes
- Secondary brake switch failure
- Wiring fault in redundant circuit
- ABS module input fault
- Switch adjustment incorrect
Diagnostic Steps
- Test both brake switch circuits
- Compare primary and secondary switch signals
- Adjust switch if out of specification
- Inspect wiring to ABS module
- Check both switch inputs at module connector
Repair Notes
Adjust or replace secondary brake lamp switch.
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
C0096 on Other Vehicles
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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 C0096 mean on a 2004-2016 Aston Martin DB9?
C0096 stands for "Brake Lamp Switch Circuit 2 Malfunction". The secondary or redundant brake lamp switch input to the ABS/stability module is faulty.
What are the symptoms of C0096 on a Aston Martin DB9?
Common symptoms of C0096 include: ABS light on, Stability control disabled, Cruise control inoperative, Brake light inconsistency detected.
What causes C0096 on a 2004-2016 Aston Martin DB9?
Common causes of C0096 include: Secondary brake switch failure, Wiring fault in redundant circuit, ABS module input fault, Switch adjustment incorrect.