Skip to main content
Diagnose/P0589
P0589Low SeverityEngine

Cruise Control Multi-Function Input B Circuit Intermittent

What This Means

The cruise control multi-function input B signal is cutting in and out. This input signal is part of the cruise control system communication with the PCM.

Common Symptoms

  • Cruise control issues
  • Speed setting problems
  • Check engine light on
  • Cruise light off

Common Causes

  • Faulty cruise switch
  • Clock spring failure
  • Wiring damage
  • Connector issue
  • PCM circuit

Estimated Repair Cost

$75 – $400
Parts and labor (varies by vehicle and location)
Difficulty:Moderate

Need This Fixed?

Find certified mechanics near you who can diagnose and repair P0589.

Find a Shop Near You

For informational purposes only. Diagnostic trouble codes are starting points for diagnosis, not definitive answers. Always consult a certified mechanic for proper diagnosis and repair. Estimated costs vary by vehicle, location, and shop rates.