P056A
Cruise Control Increase Distance Signal
Generic OBD-II
Common symptoms
What you'll notice
- Check and clean the cruise control module connections
- Inspect and replace any damaged or worn cruise control buttons or switches
- Verify and adjust the cruise control cable tension
- Diagnose and replace the faulty cruise control module, if necessary
Common causes
Most likely first
- Faulty cruise control module or system
- Damaged or malfunctioning cruise control switches or buttons
- Wiring issues or loose connections in the cruise control system
- Faulty speed sensor or wheel speed sensor
- Mechanical issues with the throttle body or throttle position sensor
How to diagnose & fix
Work through it in order
- Cruise control fails to engage or maintain speed
- Increase in fuel consumption
- Engine hesitation or stumbling
- Difficulty accelerating or loss of power
- Illumination of the Check Engine Light
Read & clear P056A yourself
Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.