7660 SPN Fault Code

Name:

Aftertreatment 1 Outlet NOx 2

Description:

The second measurement of the amount of combined NO and NO2 in the exhaust exiting the aftertreatment system measured by a NOx sensor at the aftertreatment outlet, represented in NOx molecule parts per million non-NOx molecules in exhaust bank 1.

7660 spn fault code name is Aftertreatment 1 Outlet NOx 2. If you don't take the time to look into 7660 spn fault when it arises, it can add up quickly. One small issue like 7660 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 7660 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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SPNFMI Faults and Engine error code check tool. SPN code listing with names and descriptions.

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