P0584 Cruise Control Vacuum Control Circuit Low

OBD2 Code: P0584

Description: Cruise Control Vacuum Control Circuit Low

Definition: This code indicates that the cruise control system has detected a low voltage or resistance issue in the vacuum control circuit, which is responsible for maintaining the desired speed by regulating engine vacuum. This can affect the ability of the cruise control to function properly.

p0584 – Cruise Control Vacuum Control Circuit Low

Typical Severity: Moderate

Common Causes

P0584 – Cruise Control Vacuum Control Circuit Low

Common causes:

• Faulty cruise control vacuum control solenoid
• Open or short circuit in the cruise control vacuum control circuit
• Low vacuum pressure in the cruise control system
• Malfunctioning cruise control module

Common Misdiagnosis

OBD2 Code: P0584

Description: Cruise Control Vacuum Control Circuit Low

Common Misdiagnosis: Replacing the cruise control switch or module without checking for vacuum leaks or issues with the vacuum pump.

Common Diagnostic Steps

OBD2 Code: P0584

Description: Cruise Control Vacuum Control Circuit Low

• Check the cruise control system fuse for any signs of damage or a blown fuse.
• Inspect the vacuum lines and hoses connected to the cruise control system for leaks, cracks, or disconnections.
• Test the vacuum pump operation to ensure it is functioning correctly and providing adequate vacuum pressure.
• Examine the electrical connections and wiring harnesses related to the cruise control vacuum circuit for corrosion, loose connections, or damaged wires.
• Use a multimeter to test the voltage and ground signals at the cruise control module to confirm they are within specifications.
• If equipped, check the operation of any associated sensors or switches that may affect cruise control functionality.
• Consult vehicle-specific repair manuals or technical service bulletins (TSBs) for additional diagnostic procedures related to this code.