8474 SPN Fault Code

Name:

Aftertreatment 1 Diesel Exhaust Fluid Pump Power Supply

Description:

State signal which indicates when the aftertreatment 1 Diesel Exhaust Fluid (DEF) pump power output is being driven. On means the ECU is powering the aftertreatment 1 DEF pump power output. Note that the ECU is external to the DEF pump.00b = Off 01b = On: The ECU is powering the aftertreatment 1 DEF pump power output 10b = Error 11b = Unavailable

8474 spn fault code name is Aftertreatment 1 Diesel Exhaust Fluid Pump Power Supply. If you don't take the time to look into 8474 spn fault when it arises, it can add up quickly. One small issue like 8474 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 8474 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.

8474 SPN Fault Code

Name:

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