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 :
- Volvo FM 420 1921 SPN Code
- Tatra T 810 1921 SPN Code
- Eicher Pro 2059XP 1921 SPN Code
- Hino 238 1921 SPN Code
- SML Isuzu Sartaj GS 5252 1921 SPN Code
- Tata Signa 2821.T 5L Turbotronn 1921 SPN Code
- International 7300 SFA 1921 SPN Code
- Volvo VNX 740 Mid-Roof 1921 SPN Code
- Hino XL 1921 SPN Code
- Ashok Leyland 3520 Twin Steering 1921 SPN Code