1921 SPN Fault Code
1921 spn fault code name is Aux Valve 1 Fail Safe Mode Command. If you don't take the time to look into 1921 spn fault when it arises, it can add up quickly. One small issue like 1921 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 1921 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 1921 SPN Code :
- Freightliner Cascadia 125 1921 SPN Code
- CUMMINS BIG CAM 1921 SPN Code
- Stoughton Z PLATE 1921 SPN Code
- Isuzu NPR 1921 SPN Code
- International CXT 1921 SPN Code
- Scania S 500 1921 SPN Code
- Mack CXU613 1921 SPN Code
- Eicher Pro 2059 CNG 1921 SPN Code
- International 4300 26 FT BOX TRUCK 1921 SPN Code
- Hino 338 1921 SPN Code