8122 SPN Fault Code

Name:

HVES1 Contactor Open Under Load Count

Description:

This signal represents the number of times the contactors inside the High Voltage Energy Storage 1 pack (or system) have opened while current is flowing through them. The current level (that determines if an opening event will be counted) shall be defined by the HVES manufacturer, but in general should be a current level at which the contactor life may be reduced if repeated cycles occur.

8122 spn fault code name is HVES1 Contactor Open Under Load Count. If you don't take the time to look into 8122 spn fault when it arises, it can add up quickly. One small issue like 8122 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 8122 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.

8122 SPN Fault Code

Name:

Description:

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