P0579
Cruise Control Multi-Function Input A Circuit Range/Performance
P0579 is an OBD-II diagnostic trouble code meaning: Cruise Control Multi-Function Input A Circuit Range/Performance. Common causes: open or short circuit in wiring harness, cruise control sensor malfunction. Estimated repair cost: $56–167.
Symptoms
- Cruise control not working
- Intermittent cruise control operation
- Check Engine light comes on
Causes
- Open or short circuit in wiring harness
- Cruise control sensor malfunction
- Problems with the engine control unit (ECU)
- Contact corrosion
How to Fix
- Check wiring harness for damage
- Check the cruise control sensor
- Check contacts for corrosion
- Replace faulty components
- Reset the error using an OBD-II scanner
Related codes
Error P0579 by Vehicle Brand
FAQ
What does the P0579 code mean?
P0579 is an OBD-II diagnostic trouble code that indicates: Cruise Control Multi-Function Input A Circuit Range/Performance
What causes a P0579 error code?
The most common causes of P0579 include: Open or short circuit in wiring harness; Cruise control sensor malfunction; Problems with the engine control unit (ECU); Contact corrosion.
How do I fix a P0579 diagnostic trouble code?
To fix P0579: Check wiring harness for damage. Check the cruise control sensor. Check contacts for corrosion. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0579?
Limited driving only, diagnose soon
How much does it cost to fix P0579?
The estimated repair cost for P0579 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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