What causes a SPN 1076 code?

SPN 1076 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 1076 code?

Drivability depends on the severity. Check the severity rating and verified driver reports on this page before continuing to drive with SPN 1076 active.

How do I fix SPN 1076?

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 1076

SPN 1076 Engine Fuel Injection Pump Control Valve

What it means

This fault indicates a voltage mismatch or circuit error within the electronic fuel injection pump control valve, typically causing fuel metering issues.