FreightlinerSpn 3361 Fmi 4 DTC Code

Def Dosing Valve Circuit Failed Low

Def Dosing Valve Circuit Failed Low: Aftertreatment 1 Diesel Exhaust Fluid Dosing Unit Voltage Below Normal, Or Shorted To Low Source; Short Circuit To Ground On Function "am_pwm_urea_valve_dos"

Def Dosing Valve; Short Circuit On High Side

Urea Dosing Valve; Short Circuit To Ground Or Open Load On Low Side

Freightliner SPN 3361 FMI 4 problem code is about Urea Dosing Valve; Short Circuit To Ground Or Open Load On Low Side. If you don't take the time to look into Spn 3361 Fmi 4 engine problem when it arises, it can add up quickly. One small issue like Spn 3361 Fmi 4 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.

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WARNING: ENGINE EXHAUST
To avoid injury from inhaling engine exhaust, always operate the engine in a well-ventilated area. Engine exhaust is toxic.

WARNING: PERSONAL INJURY
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.

WARNING: HOT EXHAUST
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.