What causes a SPN 867 code?

SPN 867 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 867 code?

Drivability depends on the severity. Check the severity rating and verified driver reports on this page before continuing to drive with SPN 867 active.

How do I fix SPN 867?

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 867

J1939 SPN 867 — Engine Management parameter

What it means

This code indicates an 'Out of Calibration' or 'Invalid Data' error regarding basic engine management parameters stored in the ECM. The control module detects that required configuration data is missing, corrupted, or inconsistent with the vehicle's hardware profile.