OBD Guide

P0590

Cruise Control Multi-Function Input B Circuit Stuck

P0590 is an OBD-II diagnostic trouble code meaning: Cruise Control Multi-Function Input B Circuit Stuck. Common causes: cruise control button stuck, broken or damaged wiring harness. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–167 (est.)

Symptoms

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

Causes

  • Cruise control button stuck
  • Broken or damaged wiring harness
  • Short circuit in the circuit
  • Malfunction of the cruise control control unit

How to Fix

  1. Conduct a visual inspection of the wiring harness for damage.
  2. Check the cruise control buttons for sticking
  3. Check resistance and continuity with a multimeter
  4. Replace faulty components (buttons, wiring harness or control unit)

Related codes

Error P0590 by Vehicle Brand

FAQ

What does the P0590 code mean?

P0590 is an OBD-II diagnostic trouble code that indicates: Cruise Control Multi-Function Input B Circuit Stuck

What causes a P0590 error code?

The most common causes of P0590 include: Cruise control button stuck; Broken or damaged wiring harness; Short circuit in the circuit; Malfunction of the cruise control control unit.

How do I fix a P0590 diagnostic trouble code?

To fix P0590: Conduct a visual inspection of the wiring harness for damage.. Check the cruise control buttons for sticking. Check resistance and continuity with a multimeter. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0590?

Yes, but get it checked soon

How much does it cost to fix P0590?

The estimated repair cost for P0590 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat