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P0579 Dodge Code - Speed Control Switch 1 Performance Condition

Quick Answer

The P0579 code for Dodge vehicles indicates a performance issue with Speed Control Switch 1. Common causes include Faulty speed control switch, Damaged wiring or connectors in the cruise control system, Malfunctioning cruise control module. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means
P0579 Dodge indicates Speed Control Switch 1 Performance Condition.
Common causes
Common causes include Faulty speed control switch, Damaged wiring or connectors in the cruise control system, Malfunctioning cruise control module.
Severity
Low - monitor the vehicle and repair when practical.
Can I drive?
The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
What is this?
Table of contents Created and updated by William Orellana on Aug 25, 2024
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Code P0579 Dodge Description

The P0579 code for Dodge vehicles indicates a performance issue with Speed Control Switch 1. This code is related to the vehicle's cruise control system, which allows the driver to set and maintain a specific speed without needing to press the accelerator constantly. The Speed Control Switch 1 is responsible for controlling the activation and deactivation of the cruise control function. When this switch malfunctions, it can lead to erratic behavior or complete failure of the cruise control system.

OBDII Code P0579 Dodge - Speed Control Switch 1 Performance Condition
P0579 Dodge Code - Speed Control Switch 1 Performance Condition

Common Causes of P0579 Dodge

  1. Faulty speed control switch
  2. Damaged wiring or connectors in the cruise control system
  3. Malfunctioning cruise control module
  4. Corrosion or dirt accumulation in the switch mechanism
  5. Electrical issues such as blown fuses or relays

Symptoms of P0579 Dodge

  1. Inoperative cruise control system
  2. Cruise control engages but does not maintain set speed
  3. Cruise control turns on/off intermittently
  4. Check Engine Light illuminated
  5. Reduced fuel efficiency

How to Fix P0579 Dodge

  1. Diagnose the root cause of the issue using a scan tool to retrieve the fault codes.
  2. Inspect the speed control switch and associated wiring for any visible damage or corrosion.
  3. Test the functionality of the cruise control module and related components.
  4. Replace the faulty speed control switch if necessary.
  5. Clear the fault codes and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P0579 Dodge

The typical repair costs for addressing a P0579 code on a Dodge vehicle can range from $100 to $300, including parts and labor. However, the specific diagnosis time and labor rates at auto repair shops can vary depending on the location, vehicle make and model, and engine type. It's recommended to inquire about local rates to obtain a more accurate estimate.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0579 Dodge Code

1. What does the P0579 code mean on a Dodge vehicle?

P0579 indicates a performance issue with Speed Control Switch 1, often related to the cruise control system.

2. What are the common symptoms of a P0579 code?

Symptoms may include the cruise control not functioning, intermittent cruise control operation, or the cruise control light staying on.

3. What causes the P0579 code on a Dodge?

Common causes include a faulty speed control switch, wiring issues, damaged connectors, or a problem with the cruise control module.

4. Can a P0579 code affect drivability?

The code typically doesn’t affect drivability but may disable the cruise control system.

5. How do you diagnose a P0579 code?

Diagnosis involves inspecting the speed control switch, wiring, and connectors for damage or corrosion, and testing the switch's functionality with a multimeter.

6. Can a faulty speed control switch cause a P0579 code?

Yes, a malfunctioning speed control switch is a common cause of this code.

7. Is it safe to drive with a P0579 code?

It’s generally safe to drive, but you won’t be able to use the cruise control system.

8. How can you fix the P0579 code on a Dodge?

Repairs may include replacing the speed control switch, repairing damaged wiring, or cleaning corroded connectors.

9. Does the P0579 code require specialized tools for repair?

Basic tools like a multimeter and an OBDII scanner are typically sufficient for diagnosing and repairing the issue.

10. Can clearing the P0579 code permanently fix the problem?

Clearing the code won’t fix the underlying issue; repairs must be made to prevent the code from returning.

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