OBD-II code · Chassis
C0594 Brake Pedal Travel Sensor
The brake control module has detected an implausible signal from the brake pedal travel sensor. Pedal travel is used by brake assist, regenerative braking and adaptive cruise control to estimate driver intent.
Is it safe to drive with C0594?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyPedal travel sensor failed
- PossibleSensor not calibrated
- Less likelyWiring or connector fault
Symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.5–2.5 h
- Emissions test
- Usually unaffected
- Parts involved
- Brake Pedal Travel Sensor, Brake Control Module, Brake Pedal Assembly
Related codes
- C0591Brake Booster Motor A Phase U-V-W Current Low
- C0592Brake Booster Motor B Phase U-V-W Current High
- C0593Brake Booster Motor B Phase U-V-W Current Low
- C0595Brake Booster Internal Power Driver Range/Performance
- C0596Brake Booster Motor A Current Sensor Circuit Range/Performance
- C0597Brake System Control Module A Performance
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.