7457 SPN Fault Code

Name:

Aftertreatment 1 Diesel Exhaust Fluid Dosing Unit 2

Description:

The diesel exhaust fluid dosing unit is a device that mixes the diesel exhaust fluid and air, and delivers a metered quantity of this mixture to the exhaust stream. This can also refer to a device that delivers diesel exhaust fluid to an aftertreatment diesel exhaust fluid dosing valve without air assistance.This parameter refers to the second dosing unit in bank 1.

7457 spn fault code name is Aftertreatment 1 Diesel Exhaust Fluid Dosing Unit 2. If you don't take the time to look into 7457 spn fault when it arises, it can add up quickly. One small issue like 7457 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 7457 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.

7457 SPN Fault Code

Name:

Description:

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