8221 SPN Fault Code

Name:

HVES1 Module 8 Operational Status

Description:

Operational Status of the High Voltage Energy Storage 1 Module 8. Not Operational is used when the module is initializing or not able to function (e.g. internal module level monitors have failed). Operational indicates that the module is fully functional. Error is used when the module status is not known (e.g. no communication established between HVES1 controller and the module, power lost, etc.)00b = Not Operational 01b = Operational 10b = Error 11b = Not Available

8221 spn fault code name is HVES1 Module 8 Operational Status. If you don't take the time to look into 8221 spn fault when it arises, it can add up quickly. One small issue like 8221 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 8221 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.

8221 SPN Fault Code

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