CumminsSpn 412 Fmi 21 DTC Code
Egr Temperature Drift (low Box)
Cummins SPN 412 FMI 21 problem code is about Egr Temperature Drift (low Box). If you don't take the time to look into Spn 412 Fmi 21 engine problem when it arises, it can add up quickly. One small issue like Spn 412 Fmi 21 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.
Similar SPN/FMI Codes :
To avoid injury from inhaling engine exhaust, always operate the engine in a well-ventilated area. Engine exhaust is toxic.
To avoid injury before starting and running the engine, ensure the vehicle is parked on a level surface, parking brake is set, and the wheels are blocked.
During parked regeneration the exhaust gases will be extremely HOT and could cause a fire if directed at combustible materials. The vehicle must be parked outside.