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 :
- Mercedes Benz Actros 4378 SPN Code
- Eicher Pro 2059XP CNG 4378 SPN Code
- Freightliner FLD132 CLASSIC XL 4378 SPN Code
- Sterling ACTERRA 4378 SPN Code
- Tata Signa 4221.T 4378 SPN Code
- Volvo VNL 670 4378 SPN Code
- Kenworth T440 4378 SPN Code
- Freightliner XB-P 4378 SPN Code
- International Citystar CF 500 4378 SPN Code
- Freightliner FLC112 4378 SPN Code