8434 SPN Fault Code

Name:

HVES1 High-Voltage Bus Low Side Resistor Connect Request

Description:

This parameter is used to request connection of the HVES1 High-Voltage bus low side resistor in order to perform an isolation test. See also HVES1 High-Voltage Bus High Side Resistor Connect Request (SPN 8433).00b = Connection not Requested 01b = Connection Requested 10b = Reserved 11b = Don’t care/take no action

8434 spn fault code name is HVES1 High-Voltage Bus Low Side Resistor Connect Request. If you don't take the time to look into 8434 spn fault when it arises, it can add up quickly. One small issue like 8434 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 8434 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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