P0586 Fault Code

Cruise Control Vent Control Circuit / Open

• What does that mean?
• Symptoms
• Causes
• Solutions

The P0586 code relates to a malfunction in the cruise control vent control circuit. This circuit is responsible for regulating the operation of the cruise control system, ensuring it functions smoothly. An open circuit indicates a break in the electrical path, which can lead to issues with maintaining cruise control settings. This fault can arise due to various reasons, including frayed wiring, faulty connectors, or issues with the cruise control module itself.

What are the symptoms of the P0586 code?

Symptoms of a P0586 fault may include:

• Cruise control not engaging or disengaging unexpectedly.
• Inconsistent speed when using cruise control.
• Illuminated check engine light or other warning lights on the dashboard.
• Malfunctions related to the engine or transmission shifting unexpectedly.

What causes the P0586 code?

Common causes of the P0586 code include:

• Damaged or corroded wiring in the cruise control system.
• Faulty connectors that interrupt the electrical flow.
• Failure of the cruise control module or related components.
• Problems with the vehicle's engine control unit (ECU) communicating with the cruise control system.

How to fix P0586?

To resolve the P0586 code, consider the following steps:

• Inspect wiring and connectors for any signs of damage or corrosion and repair or replace them as necessary.
• Check the cruise control module for any faults and consider replacing it if needed.
• Use a scan tool to clear the error code once repairs are made, and test the system to ensure proper functionality.
• If problems persist, deeper diagnostic testing may be required to identify underlying issues.