What causes a SPN 19 code?

SPN 19 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 SPN 19 code?

Drivability depends on the severity. Check the severity rating and verified driver reports on this page before continuing to drive with SPN 19 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

Log in Sign up

J1939 SPN

SPN 19

Cruise Control Set Speed

What it means

Standard J1939 parameter for the driver-requested cruise control set speed value.

Sign in to view symptoms, probable causes, diagnostic steps, severity, and related codes

Log in Sign up free