What causes a SPN 967 code?

SPN 967 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 967 code?

Drivability depends on the severity. Check the severity rating and verified driver reports on this page before continuing to drive with SPN 967 active.

How do I fix SPN 967?

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 967

J1939 SPN 967 — Engine Management parameter

What it means

J1939 SPN 967 refers to the Engine Management Group parameter. This is typically a networking or communication fault where the vehicle's secondary modules cannot receive or process specific engine performance data over the CAN bus.