Cummins Fault Code 6613

04/12/2025

Overview

CODE

REASON

EFFECT

Fault Code: 6613
PID:
SPN: 5842
FMI: 14/14
LAMP: Amber
SRT:

Critical SCR related fault codes have been active and require immediate attention.

Possible reduced engine performance.

Cummins Fault Code 6613 — Engine Control Module (ECM)

Circuit Description

The ECM continuously monitors the engine’s fault code status to determine if any fault codes critical to successful engine operation are active.

Component Location

The ECM mounting location varies, depending on the engine model, and may be mounted either on or off the engine.

Conditions for Running the Diagnostics

This diagnostic runs continuously when the engine is running.

Conditions for Setting the Fault Codes

The Engine Control Module (ECM) detected certain critical fault codes related to engine operation were active and the engine continued to operate.

Action Taken When the Fault Code is Active

The ECM illuminates the amber CHECK ENGINE lamp immediately when the diagnostic runs and fails.

Engine torque will be reduced.

Conditions for Clearing the Fault Code

This fault code will go inactive once all other active fault codes have been addressed. Refer to the appropriate fault code troubleshooting tree.
The ECM will turn off the amber CHECK ENGINE lamp immediately after the diagnostic runs and passes.

Shop Talk

This fault code is for information only, and indicates that an engine power derate has been implemented in order to make sure that the critical fault codes that are presently active in the ECM are addressed as quickly as possible.

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