Skip to content
Book on WhatsApp

P0590

Cruise Control Multi-Function Input B Circuit Stuck

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

  • Check engine light: Yes
  • Emissions related: No
  • Repair difficulty: easy

Common causes

Ordered by how often each turns out to be the cause.

  • Stalk button mechanically stuckCommon

Parts involved

  • Cruise Control Stalk

P0590 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.