What causes a SPN 875 code?

SPN 875 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 875 code?

Drivability depends on the severity. Check the severity rating and verified driver reports on this page before continuing to drive with SPN 875 active.

How do I fix SPN 875?

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 875

J1939 SPN 875 — Engine Management parameter

What it means

SPN 875 indicates a fault with an 'Engine Management Parameter' where a specific operating parameter or set point is out of range or inconsistent with the ECM's expected data logic.