2891 SPN Fault Code

Name:

Engine Alternate Low Idle Select State

Description:

In many applications, it is desirable that an alternate low idle speed setting be made available via switch input. The normal programmed low idle is the default low idle, and when the Alternate Low Idle feature is activated, an alternate preprogrammed low idle speed is selected. The accelerator position control operates as normal but is now bounded to a different low idle speed. This selection impacts Point 1 on the Engine Configuration.00b = Normal idle state 01b = Alternate idle state 10b = SAE reserved 11b = not available

2891 spn fault code name is Engine Alternate Low Idle Select State. If you don't take the time to look into 2891 spn fault when it arises, it can add up quickly. One small issue like 2891 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 2891 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.

2891 SPN Fault Code

Name:

Description:

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