What causes a SPN 5467 code?

SPN 5467 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 5467 code?

Drivability depends on the severity. Check the severity rating and verified driver reports on this page before continuing to drive with SPN 5467 active.

How do I fix SPN 5467?

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 5467

Cummins fault code 5467

What it means

Aftertreatment 1 SCR Catalyst Heater Control - Current Below Normal or Open Circuit. This indicates the engine control module senses an open circuit in the SCR catalyst heater control line.