What causes a SPN 3070 code?

SPN 3070 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 3070 code?

Drivability depends on the severity. Check the severity rating and verified driver reports on this page before continuing to drive with SPN 3070 active.

How do I fix SPN 3070?

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 3070

SPN 3070 FMI 2 - Diesel Particulate Filter Identification Sensor

What it means

This code indicates a data drift or performance issue with the Diesel Particulate Filter (DPF) ID sensor, which monitors specific filter characteristics or serial data for the engine control module.