8126 SPN Fault Code

Name:

HVES1 High-Voltage Bus Passive Isolation Test Command

Description:

Command for the High Voltage Energy Storage 1 pack (or system) to perform a passive electrical isolation test on the high voltage bus.A passive isolation test uses additional circuitry (e.g. a high impedance network) to monitor the delta between the high voltage connections (e.g. positive and negative buses). 00b = Passive Isolation Test not requested 01b = Passive Isolation Test request 10b = Reserved 11b = Don�t care/Take no action

8126 spn fault code name is HVES1 High-Voltage Bus Passive Isolation Test Command. If you don't take the time to look into 8126 spn fault when it arises, it can add up quickly. One small issue like 8126 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 8126 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.

8126 SPN Fault Code

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