Peterbilt 377 7520 SPN Fault Code

Name:

Aftertreatment 2 Diesel Exhaust Fluid Dosing Test Injection Permission Status

Description:

After a request to permit the DEF dosing test injection has been indicated, this permission status is expected by the DEF control unit for aftertreatment system 2.00b = not allowed 01b = DEF dosing test injection allowed 10b = error 11b = not available

Peterbilt 377 7520 spn fault code name is Aftertreatment 2 Diesel Exhaust Fluid Dosing Test Injection Permission Status. If you don't take the time to look into Peterbilt 377 7520 spn fault when it arises, it can add up quickly. One small issue like Peterbilt 377 7520 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 Peterbilt 377 7520 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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