5711 SPN Fault Code

Name:

Aftertreatment 2 Outlet NOx Sensor Self-diagnosis Trigger

Description:

Signal to trigger the self-diagnosis of NOx sensor ATO2 (Aftertreatment Outlet Bank 2) 0000b = Diagnostic mode disabled 0001b = NOx Sensor ATO2 Self Diagnosis Request at Lambda=1.0 0010b = NOx Sensor ATO2 Self Diagnosis Request at partial load 0011b = NOx Sensor ATO2 Self Diagnosis Request at fuel cut 0100b = NOx Sensor ATO2 Self Diagnosis Request at After Run 0101b to 1110b = Reserved 1111b = Not supported

5711 spn fault code name is Aftertreatment 2 Outlet NOx Sensor Self-diagnosis Trigger. If you don't take the time to look into 5711 spn fault when it arises, it can add up quickly. One small issue like 5711 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 5711 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.

5711 SPN Fault Code

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