C0110
Brake Apply Circuit
2000-2003 Audi S6 4.2L V8
Moderate SeverityChassisGeneric (SAE)
Description
The ABS/stability control module detects a general fault in the brake apply sensing circuit.
Symptoms
- ABS light on
- Cruise control not working
- Shift lock may not release
- Stability control disabled
Common Causes
- Brake light switch failure
- Brake pedal position sensor fault
- Wiring issue in brake apply circuit
- ABS module input failure
Diagnostic Steps
- Test brake light switch
- Test brake pedal position sensor
- Check brake light fuse
- Inspect wiring between switch and ABS module
- Verify both brake switch inputs
Repair Notes
Replace brake light switch or repair wiring in brake apply circuit.
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
C0110 on Other Vehicles
Common Questions
What does code C0110 mean on a 2000-2003 Audi S6?
C0110 stands for "Brake Apply Circuit". The ABS/stability control module detects a general fault in the brake apply sensing circuit.
What are the symptoms of C0110 on a Audi S6?
Common symptoms of C0110 include: ABS light on, Cruise control not working, Shift lock may not release, Stability control disabled.
What causes C0110 on a 2000-2003 Audi S6?
Common causes of C0110 include: Brake light switch failure, Brake pedal position sensor fault, Wiring issue in brake apply circuit, ABS module input failure.