7684 SPN Fault Code

Name:

Aftertreatment 2 Outlet Gas Sensor 2 Power In Range

Description:

Indicates that the power supplied to the aftertreatment outlet gas second sensor, either NOx or O2, is within the manufacturer’s specification in exhaust bank 2.For a single exhaust bank system, refer to parameters in PGNs 61454, 61455, 64946, 64947, 64948, and 65247. This parameter reports the status as reported by the sensor. 00b = Not in range 01b = In range 10b = Error 11b = Not available

7684 spn fault code name is Aftertreatment 2 Outlet Gas Sensor 2 Power In Range. If you don't take the time to look into 7684 spn fault when it arises, it can add up quickly. One small issue like 7684 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 7684 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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