P0576 Code: Cruise Control Input Circuit Low
🟢 Low severity · drivable
The car drives normally; only cruise control may not work.
What P0576 means
The engine computer sees low voltage on the cruise control input circuit. This usually means the switch signal is shorted to ground or the switch isn't sending the right voltage, so the computer can't read the cruise buttons.
Symptoms
- Check engine light is on
- Cruise control won't engage
- Cruise buttons don't respond
- Cruise control works only sometimes
Common causes
- most common: Faulty cruise control switch
- common: Short to ground in the input wiring
- common: Loose or corroded connector
- less common: Faulty engine computer
How to fix it
| Fix | DIY? | Typical cost |
|---|---|---|
| Inspect and clean the cruise switch connector | Yes | $0–20 |
| Replace the cruise control switch | Yes | $30–120 |
| Repair the shorted or damaged wiring | Mechanic | $50–200 |
Frequently asked questions
Can I drive with a P0576 code?
Yes. The car drives normally; only cruise control may be affected.
What does low circuit mean for cruise control?
The computer is seeing too little voltage on the cruise input, usually from a bad switch or a wire shorted to ground.
How much does it cost to fix a P0576?
A new cruise switch is $30–120; wiring repairs run $50–200.
Related codes
P0575
P0575 Code: Cruise Control Input Circuit
P0578P0578 Code: Cruise Control Multi-Function Input A Circuit Stuck
P0565P0565 Code: Cruise Control On Signal
Updated 2026-08. This page is informational and not a substitute for professional diagnosis.