5719 SPN Fault Code

Name:

Aftertreatment 2 Outlet NOx Sensor Self-diagnosis Final Result

Description:

Self-diagnosis result for NOx sensor ATO2 (Aftertreatment Outlet Bank 2) as a ratio of detected value to reference value defined by supplier.This result is used to determine if the signal resulting from the self-diagnosis test (as represented as a ratio to a reference value) is within an acceptable range. This will be determined by the receiver of the information and may differ depending on how the sensor is used and/or sensor application. This may mean that SPN 3265 may no longer be accurate as expected. This parameter is valid while the diagnosis feedback status of SPN 5715 = 010b (Diagnosis complete). It is broadcast as FFh at other times.

5719 spn fault code name is Aftertreatment 2 Outlet NOx Sensor Self-diagnosis Final Result. If you don't take the time to look into 5719 spn fault when it arises, it can add up quickly. One small issue like 5719 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 5719 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.

5719 SPN Fault Code

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