4389 SPN Fault Code
4389 spn fault code name is Aftertreatment 2 SCR Dosing Air Assist Valve. If you don't take the time to look into 4389 spn fault when it arises, it can add up quickly. One small issue like 4389 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 4389 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.
Truck List With 4389 SPN Code :
- Volvo FM 400 HD 4389 SPN Code
- Kenworth W990 4389 SPN Code
- CUMMINS QSM11 4389 SPN Code
- Tata Signa 3521.T 5L Turbotronn 4389 SPN Code
- Peterbilt 220EV 4389 SPN Code
- Western Star 4700 4389 SPN Code
- Peterbilt 379 4389 SPN Code
- International 4300 SBA 4389 SPN Code
- Peterbilt 377 4389 SPN Code
- Freightliner Cascadia CA126 4389 SPN Code