JERR-DAN SD-ALUM-LP 4389 SPN Fault Code

Name:

Aftertreatment 2 SCR Dosing Air Assist Valve

Description:

The position of the valve used to regulate the air supply of an air assist SCR dosing system for an engine. 0% represents no supply and 100% is full supply.

JERR-DAN SD-ALUM-LP 4389 spn fault code name is Aftertreatment 2 SCR Dosing Air Assist Valve. If you don't take the time to look into JERR-DAN SD-ALUM-LP 4389 spn fault when it arises, it can add up quickly. One small issue like JERR-DAN SD-ALUM-LP 4389 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 JERR-DAN SD-ALUM-LP 4389 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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