What causes a SPN 2753 code?

SPN 2753 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 2753 code?

Drivability depends on the severity. Check the severity rating and verified driver reports on this page before continuing to drive with SPN 2753 active.

How do I fix SPN 2753?

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 2753

J1939 SPN 2753 — Aftertreatment/Emissions parameter

What it means

Aftertreatment 1 Intake Dew Point. This code indicates the Engine ECM has detected an issue with the sensor responsible for determining if moisture (condensation) is present in the exhaust before dosing fuel or DEF.