3521 SPN Fault Code

Name:

Aftertreatment 1 Diesel Exhaust Fluid Property

Description:

This parameter indicates the property of the fluid compound in the tank. A value of 0011b indicates uncontaminated Diesel Exhaust Fluid.0000b = Urea concentration too high 0001b = Urea concentration too low 0010b = Fluid is diesel 0011b = Diesel exhaust fluid is proper mixture 0100b to 1011b = Reserved for SAE assignment 1100b = Diesel exhaust fluid, but concentration cannot be determined 1101b = Not able to determine fluid property (fluid type unknown) 1110b = Error with diesel exhaust fluid property detection 1111b = Not available

3521 spn fault code name is Aftertreatment 1 Diesel Exhaust Fluid Property. If you don't take the time to look into 3521 spn fault when it arises, it can add up quickly. One small issue like 3521 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 3521 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.

3521 SPN Fault Code

Name:

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