3220 SPN Fault Code

Name:

Engine Exhaust 1 NOx 1 Reading Stable

Description:

Indicates that the NOx reading of the first NOx sensor is stable as determined by the manufacturer�s control software in exhaust bank 1. This sensor is located at the intake of the SCR system if an SCR system exists.00b = Not stable 01b = Stable 10b = Error 11b = Not available

3220 spn fault code name is Engine Exhaust 1 NOx 1 Reading Stable. If you don't take the time to look into 3220 spn fault when it arises, it can add up quickly. One small issue like 3220 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 3220 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.

3220 SPN Fault Code

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