P0583

Universal

Cruise Control Vacuum Control Circuit Low

Definition source: General OBD-II reference catalog
Definition verification: Not independently verified for display.
Time: Varies by diagnosis and vehicle | Diagnostic difficulty: Medium
Low Severity

The cruise control system may use a vacuum control circuit to help regulate vehicle speed. This code means the system detected an electrical signal that is lower than expected in that circuit. Cruise control may not work or may work intermittently; the code does not by itself prove that a particular part has failed.

Report an error with this code

⚠️ Before You Begin (Safety First)

The fault commonly affects cruise control rather than basic vehicle operation. Avoid using cruise control until the cause is diagnosed. If the vehicle does not respond normally to the accelerator or its speed cannot be controlled, pull over safely and arrange assistance.

Common Symptoms

  • Cruise control may not engage because the system disables it after detecting the circuit fault.
  • Cruise control may operate intermittently if an electrical connection or control component has an intermittent fault.
  • The vehicle may not maintain set speed if the cruise control system cannot control its vacuum function properly.
  • There may be no noticeable driving symptoms apart from a warning light or stored diagnostic code.

Common Causes

  • Damaged wiring or a connection shorted to ground may pull the circuit signal low.
  • A loose, damaged or corroded connector may interfere with the electrical signal.
  • A fault in the vacuum-control solenoid or another circuit component may cause an abnormal signal.
  • A power supply, ground or control-module issue may affect the circuit.
  • A vacuum hose leak or other vacuum-system problem may impair cruise operation, though it does not alone confirm the cause of this electrical circuit-low code.

Diagnostic Steps

  1. Check the owner’s manual for cruise-control warnings and note whether the system is unavailable or behaving unusually.
  2. With the vehicle safely parked and the ignition off, visually inspect accessible cruise-control wiring and connectors for looseness, corrosion or damage; do not pull on wires.
  3. If the vehicle-specific manual identifies a relevant fuse, check it and replace it only with the specified rating. If it blows again, stop and have the circuit diagnosed.
  4. If vacuum hoses are accessible, look for disconnected, cracked or visibly damaged sections without disturbing unfamiliar components.
  5. If the code returns or electrical testing is needed, have a technician diagnose the circuit using vehicle-specific wiring information rather than replacing parts based on the code alone.

When to Call a Professional

A technician can use vehicle-specific service information and scan data to check the cruise control circuit, then test its power, ground, wiring, connectors and vacuum-control components as applicable. Check the electrical circuit separately from vacuum hoses: a vacuum leak can affect cruise operation but does not by itself establish why the circuit signal is low.

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Commonly Asked Questions

Does P0583 mean the vacuum level is too low?

Not necessarily. The definition identifies a low electrical signal in the cruise control vacuum control circuit. A vacuum-system problem may affect cruise operation, but it is a separate diagnostic distinction.

Does this code prove the cruise control solenoid needs replacement?

No. Wiring, connectors, power, ground or control issues can also produce a low circuit signal. Testing is needed before selecting a repair.

Can I drive with this code?

If the vehicle otherwise responds and drives normally, the main effect may be unavailable cruise control. Do not use cruise control until diagnosed, and stop safely if vehicle speed cannot be controlled normally.

Why might there be no obvious symptoms?

The fault may only disable cruise control, which does not necessarily affect ordinary accelerator operation. A warning light or stored code may be the only noticeable sign.

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