8125 SPN Fault Code

Name:

HVES1 High-Voltage Bus Active Isolation Test Command

Description:

Command for the High Voltage Energy Storage 1 pack (or system) to perform an active electrical isolation test on the high voltage bus.An active isolation test might use a generated signal (e.g. an injected AC signal) and then monitor changes in the measurements of the isolated circuits. 00b = Active Isolation Test not requested 01b = Active Isolation Test request 10b = Reserved 11b = Don�t care/Take no action

8125 spn fault code name is HVES1 High-Voltage Bus Active Isolation Test Command. If you don't take the time to look into 8125 spn fault when it arises, it can add up quickly. One small issue like 8125 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 8125 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.

8125 SPN Fault Code

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