591 SPN Fault Code

Name:

Engine Idle Shutdown Timer Function

Description:

Parameter which indicates the configuration of the idle shutdown timer system. 00b = Disabled in calibration 01b = Enabled in calibration 10b = Error 11b = Not available

591 spn fault code name is Engine Idle Shutdown Timer Function. If you don't take the time to look into 591 spn fault when it arises, it can add up quickly. One small issue like 591 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 591 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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SPNFMI Faults and Engine error code check tool. SPN code listing with names and descriptions.

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