What causes a SPN 614 code?

SPN 614 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 614 code?

Drivability depends on the severity. Check the severity rating and verified driver reports on this page before continuing to drive with SPN 614 active.

How do I fix SPN 614?

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 614

J1939 SPN 614 — Engine Management parameter

What it means

The ECM has detected an error in its configuration or management parameters. Essentially, the computer is missing the 'instructions' or 'calibration' it needs to operate the engine correctly.