5446 SPN Fault Code

Name:

Engine Throttle Valve 2 Operation Status

Description:

Used to identify the status of engine throttle valve 2 (SPN 3673). 0000b = Normal 0001b = Alarm (fully operational but needs service) 0010b = Alarm High Severity (functional but transient performance may be reduced) 0011b = Derate Active (torque output reduced due to environmental conditions) 0100b = Controlled Shutdown Active (driving to the default position – usually this means closed) 0101b = Uncontrolled Shutdown Active (actuator current is off so it is limp) 0110b to 1101b = Reserved for future assignment 1110b = Error

5446 spn fault code name is Engine Throttle Valve 2 Operation Status. If you don't take the time to look into 5446 spn fault when it arises, it can add up quickly. One small issue like 5446 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 5446 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.

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