3226 SPN Fault Code

Name:

Aftertreatment 1 Outlet NOx 1

Description:

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.SPN 3226 shall display the raw, uncorrected NOx sensor signal. 2016 MY and later engines with NOx sensors may be required to output a ‘corrected’ NOx sensor signal (see SPN 7351) in addition to the raw NOx sensor signal output using SPN 3226. A value of FB00h shall be provided when ambient or engine operating conditions do not permit the sensor to operate in data collection mode.

3226 spn fault code name is Aftertreatment 1 Outlet NOx 1. If you don't take the time to look into 3226 spn fault when it arises, it can add up quickly. One small issue like 3226 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 3226 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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