3543 SPN Fault Code

Name:

Engine Operating State

Description:

This parameter is used to indicate the current state, or mode, of operation by the engine. This is a status parameter.0000b = Engine Stopped 0001b = Pre-Start 0010b = Starting 0011b = Warm-Up 0100b = Running 0101b = Cool-down 0110b = Engine Stopping 0111b = Post-Run 1000b to 1101b = available for SAE assignment 1110b = 1111b = not available STOPPED � In the stopped state, the ECM is powered and the engine is not turning. The engine is ready to start. PRE-START � In the PRE-START state, the engine is not running. Actions are taken by various subsystem controls to prepare the engine for cranking and starting. This may include any priming, prelubrication, preheating sequences, interlocks or other start permissives. These subsystems have their own state based control and communicate their status to the engine state control logic. STARTING � During the STARTING state, actions are taken by various subsystem controls to attempt to start the engine. WARM-UP � During the WARM-UP state, the engi

3543 spn fault code name is Engine Operating State. If you don't take the time to look into 3543 spn fault when it arises, it can add up quickly. One small issue like 3543 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 3543 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.

3543 SPN Fault Code

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