Brake Lamp Switch Circuit
2003-2003 Mazda B2300 2.3L I4
The 2003 Mazda B2300 is equipped with a 2.3L inline-4 engine. Below you'll find detailed c0095 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
Description
Malfunction in the brake lamp switch circuit detected by the ABS or stability control module.
Symptoms
- ABS light on
- Cruise control inoperative
- Brake lights stuck on or not illuminating
- Shift interlock may not release
Common Causes
- Brake light switch out of adjustment
- Faulty brake light switch
- Wiring damage
- Blown brake light fuse
Diagnostic Steps
- Test brake light switch operation
- Check brake light fuse
- Inspect brake light switch adjustment at pedal
- Test circuit continuity
- Check for power and ground at switch
Repair Notes
Adjust or replace brake light switch. This switch serves multiple systems.
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
C0095 on Other Vehicles
Common Questions
What does code C0095 mean on a 2003-2003 Mazda B2300?
C0095 stands for "Brake Lamp Switch Circuit". Malfunction in the brake lamp switch circuit detected by the ABS or stability control module.
What are the symptoms of C0095 on a Mazda B2300?
Common symptoms of C0095 include: ABS light on, Cruise control inoperative, Brake lights stuck on or not illuminating, Shift interlock may not release.
What causes C0095 on a 2003-2003 Mazda B2300?
Common causes of C0095 include: Brake light switch out of adjustment, Faulty brake light switch, Wiring damage, Blown brake light fuse.
Last updated: March 2026