7841 SPN Fault Code

Name:

Bus Tie Breaker 1

Description:

The measured state of first tie breaker on the electrical power bus. 000b = Open 001b = Closed 010b = Locked Out 011b = Transitioning to Open state 100b = Transitioning to Closed state 101b = Available for SAE assignment 110b = Error 111b = Not Available

7841 spn fault code name is Bus Tie Breaker 1. If you don't take the time to look into 7841 spn fault when it arises, it can add up quickly. One small issue like 7841 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 7841 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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