P0579 - Cruise Control Multifunction Input 'A' Circuit Range/Performance

Repair Importance Level: 1/3
Repair Difficulty Level: 2/3    What is this?
Comments  |  Add Comment

P0579 Possible Causes

  • Faulty Cruise Control Multifunction Switch
  • Cruise Control Multifunction Switch harness is open or shorted
  • Cruise Control Multifunction Switch circuit poor electrical connection

How do I fix code P0579

Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

Cost of diagnosing the P0579 code

Labor: 1.0

The cost of diagnosing the P0579 code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

When is the code detected?

The ECM has detected a multifunction switch A input error

Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Cruise control system inoperative

P0579 Description

The Engine Control Module (ECM) monitors the Cruise Control Multi-Function Input 'A'. The ECM sets the OBDII code when the Cruise Control Multi-Function Input 'A' is not to factory specifications.
OBDII Code P0579 - Cruise Control Multifunction Input 'A' Circuit Range/Performance - AutoCodes.com

P0579 More Information

Need more information on how to fix the P0579 code?
Get Access to Factory Service Manuals

Information for specific makes

  • P0579 CHRYSLER Speed Control Switch 1 Performance Condition
  • P0579 DODGE Speed Control Switch 1 Performance Condition
  • P0579 FORD Cruise Control Multifunction Input 'A' Circuit Range/Performance
  • P0579 MAZDA Cruise Control Multi-Function Input 'A' Circuit Range/Performance
  • P0579 MERCEDES-BENZ Cruise Control Multifunction Input 'A' Circuit Range/Performance

Need more help?

Get the P0579 code diagnosed by a professional: Find a repair shop in your area

Comments

Help us improve AutoCodes.com. Leave a comment below or tell us if the information above help you fix the code. What are the symptoms on your vehicle for the P0579 code? Have you replaced any parts?
Any information is appreciated. Thanks
Top ⇧