P0589
Cruise Control Multi-Function Input B Circuit
Cruise Control Multi-Function Input B Circuit: an electrical fault is present in the circuit. This affects cruise-control operation.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: medium
Common causes
Ordered by how often each turns out to be the cause.
- Open in stalk switch or harnessCommon
Parts involved
- Cruise Control Stalk
- Cruise Input B Wiring
P0589 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.