What causes a P0584 code?

P0584 can be triggered by several issues — see the verified probable causes and step-by-step diagnostics shared by mechanics and owners on OBDIY.

Can I drive with a P0584 code?

Drivability depends on the severity. Check the severity rating and verified driver reports on this page before continuing to drive with P0584 active.

Follow the step-by-step diagnostic on this page, then read the verified fixes contributed by other Heavy Truck owners — the answer marked "Verified Cause" worked for the original poster.

OBDIY

OBD-II

P0584

Cruise Control Vacuum or High Signal Circuit Failure

What it means

The P0584 code indicates the Engine Control Module (ECM) has detected a high voltage condition in the cruise control vacuum control circuit, often signifying a short to power or a failed solenoid.