CUMMINS ISC 4419 SPN Fault Code

Name:

Aftertreatment 2 SCR Conversion Efficiency

Description:

The SCR conversion efficiency percentage. Calculated as 100 times the catalyst intake NOx minus the catalyst outlet NOx divided by the catalyst intake NOx. The catalyst conversion efficiency number in itself does not imply emissions compliance or system function or system malfunction.

CUMMINS ISC 4419 spn fault code name is Aftertreatment 2 SCR Conversion Efficiency. If you don't take the time to look into CUMMINS ISC 4419 spn fault when it arises, it can add up quickly. One small issue like CUMMINS ISC 4419 can cause a larger component to become damaged without taking the time to investigate. If you suspect your truck is suffering from one of these issues, look into replacing those small components to save money down the road.

Note: The name and description of CUMMINS ISC 4419 code represents text descriptions for faults supported by another coding system and does not necessarily comply with SAE J1939. For a specific engine manufacturer's explanation for codes, please consult the engine's technical manual. See also other spn codes.

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