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AutoCodes - Generic - P0579

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

- Code Popularity: 24,009 Views
- Repair Importance Level: 1/3
- Repair Difficulty Level: 2/3
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What are the Possible Causes of the DTC P0579?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Cruise Control Multifunction Switch
  • Cruise Control Multifunction Switch harness is open or shorted
  • Cruise Control Multifunction Switch circuit poor electrical connection
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How to Fix the DTC P0579?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0579 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

When is the Code Detected?

The ECM has detected a multifunction switch A input error

What are Code Possible Symptoms?

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

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

Need More Information on the Code?

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 Help with the Code?

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Code P0579 comments

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