P0585 Code - Cruise Control Multi-Function Input 'A'/'B' Correlation
Quick Answer
The P0585 diagnostic trouble code (DTC) relates to the Cruise Control Multi-Function Input 'A'/'B' Correlation. Common causes include Faulty cruise control switch, Wiring issues or harness damage, Failed 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
- P0585 indicates Cruise Control Multi-Function Input 'A'/'B' Correlation.
- Common causes
- Common causes include Faulty cruise control switch, Wiring issues or harness damage, Failed 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.
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Code P0585 Description
The P0585 diagnostic trouble code (DTC) relates to the Cruise Control Multi-Function Input 'A'/'B' Correlation. This code indicates a discrepancy or correlation issue between two input signals related to the cruise control system. The cruise control system allows the driver to set and maintain a desired speed without having to manually control the throttle. When this code is triggered, it can impact the vehicle's ability to engage and operate the cruise control system properly.
Common Causes of P0585
- Faulty cruise control switch
- Wiring issues or harness damage
- Failed cruise control module
- Malfunctioning cruise control servo
- Electrical system issues such as blown fuses or relays
Symptoms of P0585
- Inoperative cruise control system
- Cruise control engaging but unable to maintain set speed
- Cruise control disengaging unexpectedly
- Illumination of the check engine light
- Decreased fuel efficiency
How to Fix P0585
- Diagnose the root cause of the issue by performing a comprehensive inspection of the cruise control system.
- Check the cruise control switch and wiring for any signs of damage or wear. Replace as needed.
- Test the cruise control module and servo for proper functionality. Replace if faulty.
- Inspect the electrical system components related to the cruise control system, such as fuses and relays, and repair or replace as necessary.
- Clear the DTC and perform a test drive to ensure the cruise control system is operating correctly.
Cost to Fix P0585
The typical repair costs for addressing the P0585 code can vary depending on the specific cause of the issue and the labor rates in your area. On average, repairing a cruise control system-related problem can range from $100 to $500, including parts and labor. It's important to consult with a professional mechanic to get an accurate estimate based on your vehicle's make and model. Keep in mind that labor rates can vary between different auto repair shops, so it's advisable to shop around for the best deal.
When is the Code Detected?
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Code P0585 Information for Specific Makes
- P0585 Chrysler — Speed Control Switch Correlation Error
- P0585 Dodge — Speed Control Switch Correlation Error
- P0585 Jeep — Speed Control Switch Correlation Error
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