P0579

Cruise Control Multi-Function Input A Circuit Range/Performance

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

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

P0571 P0572 P0573