All codes/P0589

P0589

Cruise Control Multi-Function Input B Circuit

Moderate severity

Cruise Control Multi-Function Input B Circuit: an electrical fault is present in the circuit. This affects cruise-control operation.

Cruise Control Multi-Function Input B Circuit: an electrical fault is present in the circuit. This affects cruise-control operation.

Common causes

  • Open in stalk switch or harness

    One of the most commonly reported causes for this code — check this first.

    high

    Typical part cost: $90-390

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First things to check

  1. 1Confirm the code with a scan tool and check for additional related codes.
  2. 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.

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Related codes

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Frequently asked questions

What does P0589 mean?

P0589 means "Cruise Control Multi-Function Input B Circuit". It is a generic OBD-II code that points to a fault in the vehicle speed, idle control, auxiliary inputs.

What are the most common causes of P0589?

open in stalk switch or harness — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.

Can I keep driving with this code?

The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.

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