4388 SPN Fault Code

Name:

Aftertreatment 2 SCR Dosing Air Assist Absolute Pressure

Description:

The SCR dosing system air assist absolute pressure for aftertreatment system 2 (exhaust bank 2). The air assist system is used to improve the dosed reagent atomization.

4388 spn fault code name is Aftertreatment 2 SCR Dosing Air Assist Absolute Pressure. If you don't take the time to look into 4388 spn fault when it arises, it can add up quickly. One small issue like 4388 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 4388 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.

4388 SPN Fault Code

Name:

Description:

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