What causes a SPN 4360 code?

SPN 4360 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 4360 code?

Drivability depends on the severity. Check the severity rating and verified driver reports on this page before continuing to drive with SPN 4360 active.

How do I fix SPN 4360?

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 4360

SCR Inlet Temperature High

What it means

The Aftertreatment SCR Inlet Temperature is reading above the normal operating range, indicating potential exhaust system overheating or a faulty sensor.