OBD-II code · Powertrain (generic)
P056C Cruise Control Cancel Signal
The cancel signal (driver-initiated cruise off) reports an implausible state - stuck, missing, or shorted.
Is it safe to drive with P056C?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyStalk or brake switch contact stuck
Repair at a glance
- Difficulty
- Easy
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.3–1.2 h
- Emissions test
- Usually unaffected
- Parts involved
- Cruise Control Stalk, Brake Pedal Switch
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.