Code : Spn 189 Fmi 31
Eng Speed Derate Condition Exists Due To Fault
Rated Engine Speed Not Available Or Condition Exists
Spn 189 Fmi 31 problem code is about Rated Engine Speed Not Available Or Condition Exists. If you don't take the time to look into Spn 189 Fmi 31 engine problem when it arises, it can add up quickly. One small issue like Spn 189 Fmi 31 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.