What causes a SPN 910 code?

SPN 910 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 910 code?

Drivability depends on the severity. Check the severity rating and verified driver reports on this page before continuing to drive with SPN 910 active.

How do I fix SPN 910?

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 910

J1939 SPN 910 — Engine Management parameter

What it means

Engine Management System - Glow Plug / Cold Start Lamp Circuit. This diagnostic code indicates a failure in the glow plug or intake air heater control circuit.