4378 SPN Fault Code
4378 spn fault code name is Aftertreatment 1 Outlet NH3 Sensor Preliminary FMI. If you don't take the time to look into 4378 spn fault when it arises, it can add up quickly. One small issue like 4378 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 4378 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 4378 SPN Code :
- Freightliner XBA 4378 SPN Code
- Eicher Pro 2110XP Plus 4378 SPN Code
- AMW 3116 HL 4378 SPN Code
- Freightliner CA125 4378 SPN Code
- International 7600 4378 SPN Code
- Hino 268 4378 SPN Code
- Eicher Pro 2050 CNG 4378 SPN Code
- MAN CLA 49.250 EVO 6X4 4378 SPN Code
- Freightliner CA12564SLP 4378 SPN Code
- Western Star 4700 4378 SPN Code