3421 SPN Fault Code
3421 spn fault code name is Lock Status of Door 4. If you don't take the time to look into 3421 spn fault when it arises, it can add up quickly. One small issue like 3421 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 3421 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 3421 SPN Code :
- Mack GRANITE 64FR 3421 SPN Code
- Ashok Leyland BOSS 1115 HB 3421 SPN Code
- Mack MP8 3421 SPN Code
- Isuzu NPRHD 3421 SPN Code
- International 7400 3421 SPN Code
- International Prostar+ 3421 SPN Code
- Ashok Leyland 1920 4x2 3421 SPN Code
- Ford E450 3421 SPN Code
- Ashok Leyland Ecomet 1615 HE CNG 3421 SPN Code
- Ashok Leyland 3520 8x2 3421 SPN Code