What causes a SPN 810 code?

SPN 810 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 810 code?

Drivability depends on the severity. Check the severity rating and verified driver reports on this page before continuing to drive with SPN 810 active.

How do I fix SPN 810?

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

J1939 SPN

SPN 810

J1939 SPN 810 — Engine Management parameter

What it means

The fault indicates that there is an invalid or missing configuration for an Engine Management parameter, often related to vehicle speed, gear ratios, or tire revolutions per mile.