4393 SPN Fault Code

Name:

Aftertreatment 2 Diesel Exhaust Fluid Line Heater 1 State

Description:

The diesel exhaust fluid line heater 1 state for aftertreatment system 2 (exhaust bank 2). 00b = heater inactive 01b = heater active 10b = error 11b = not available

4393 spn fault code name is Aftertreatment 2 Diesel Exhaust Fluid Line Heater 1 State. If you don't take the time to look into 4393 spn fault when it arises, it can add up quickly. One small issue like 4393 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 4393 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.

4393 SPN Fault Code

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