OBD Guide

P0585

Cruise Control Multi-Function Input A/B Correlation

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–111 (est.)

Symptoms

  • Cruise control does not turn on or is unstable
  • The cruise control indicator is flashing
  • The cruise control system turns off spontaneously

Causes

  • Damaged wiring harness
  • Poor contact in connectors
  • Malfunction of cruise control buttons
  • Problems with brake/clutch pedal sensors
  • Control unit malfunction (rare)

How to Fix

  1. Check wiring harness for damage
  2. Clean and check connector contacts
  3. Test the cruise control buttons
  4. Check brake and clutch pedal sensors
  5. Replace damaged components if necessary

Related codes

Error P0585 by Vehicle Brand