What causes a SPN 3016 code?

SPN 3016 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 3016 code?

Drivability depends on the severity. Check the severity rating and verified driver reports on this page before continuing to drive with SPN 3016 active.

How do I fix SPN 3016?

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 3016

J1939 SPN 3016 — Body/Chassis parameter

What it means

The SPN 3016 is a generic j1939 parameter used to communicate the status or fault state of a body-specific function (like a lift gate, PTO, or custom chassis equipment) to the engine/transmission controllers.