7941 SPN Fault Code

Name:

Railroad Mode Switch

Description:

Switch signal which indicates the position of the Railroad mode switch. 00b = Railroad mode switch passive (City/Highway mode) 01b = Railroad mode switch active (Railroad mode) 10b = Error 11b = Not available Note: This switch signal to be used to inform the ABS/ASR ECU or other ECUs that the vehicle is operating in a railroad mode vs. a normal driving mode. Railroad mode is when a vehicle (i.e. vocational truck) has deployed the railroad gear such that the vehicle can be driven on a railroad track. This switch signal may originate from an operator switch, or within the railroad operation system installed on the vehicle.

7941 spn fault code name is Railroad Mode Switch. If you don't take the time to look into 7941 spn fault when it arises, it can add up quickly. One small issue like 7941 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 7941 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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