What causes a SPN 1430 code?

SPN 1430 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 1430 code?

Drivability depends on the severity. Check the severity rating and verified driver reports on this page before continuing to drive with SPN 1430 active.

How do I fix SPN 1430?

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

Log in Sign up

J1939 SPN

SPN 1430

DPF Intake Pressure (Bank 1) High

What it means

Monitors the pressure at the inlet of the diesel particulate filter to detect blockages.

Sign in to view symptoms, probable causes, diagnostic steps, severity, and related codes

Log in Sign up free