OBD-II code · Chassis
C0660 Park Brake Switch Circuit
The electric park brake switch reports an implausible signal.
Is it safe to drive with C0660?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelySwitch failed
- PossibleWiring shorted
Symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Repair at a glance
- Difficulty
- Easy
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.3–1.5 h
- Emissions test
- Usually unaffected
- Parts involved
- Park Brake Switch, Epb Control Module
Related codes
- C0609Park Brake Switch Circuit
- C065DRight Front Wheel Speed Sensor B Correlation
- C065ERight Front Wheel Speed Sensor B Incorrect Component Installed
- C065FLeft Rear Wheel Speed Sensor B Circuit/Open
- C0661Left Rear Wheel Speed Sensor B Circuit Low
- C0662Left Rear Wheel Speed Sensor B Circuit High
- C0663Left Rear Wheel Speed Sensor B Intermittent/Erratic
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.