Code : Spn 158 Fmi 14
Battery Voltage Switched (terminal 15) - Starter Switch Inconsistent
Spn 158 Fmi 14 problem code is about Battery Voltage Switched (terminal 15) - Starter Switch Inconsistent. If you don't take the time to look into Spn 158 Fmi 14 engine problem when it arises, it can add up quickly. One small issue like Spn 158 Fmi 14 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: This description 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.