OBD
P0577
Cruise Control Input Circuit High
What it means
P0577 means Cruise Control Input Circuit High.
Check these first
- An open cruise control switch
- A short to voltage in the input wire
- A bad vehicle speed sensor
- A bad accelerator pedal position sensor
- A PCM input fault
What to do next
- Test the input wire for an open or short to voltage
- Inspect the switch and connector
- Check the vehicle speed sensor signal
- Check the accelerator pedal position sensor
- Replace the switch if the high input remains
- Clear the code and retest
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Updated
Generic SAE J2012 definition. Last updated 2026-10-10.