OBD Guide

P0589

Cruise Control Multi-Function Input B Circuit

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Cruise control not working
  • Incorrect operation of cruise control
  • Check Engine Light Illuminates

Causes

  • Broken or damaged wiring harness
  • Short circuit in the circuit
  • Cruise control switch malfunction
  • Poor contact in connectors
  • Engine control unit (ECU) malfunction

How to Fix

  1. Check wiring harness for damage
  2. Check continuity with a multimeter
  3. Inspect connectors and contacts for oxidation or damage
  4. Check the cruise control switch
  5. Replace damaged components if necessary
  6. Reset the error and check the system operation

Related codes

Error P0589 by Vehicle Brand