Volvo FM 400 HD 7555 SPN Fault Code

Name:

Hybrid System Shutdown Switch

Description:

When the operator enables this switch, all hybrid system functionality is disabled including propulsion, regenerative braking, and hybrid powered accessories. For electric hybrids, the hybrid system shall be placed in an electrically off state where high voltage is isolated to energy storage devices only (e.g. open contactors, discharge capacitive energy). One use of this switch is as an emergency stop capability.Note: Engine operation is still allowed. 00b = Off; hybrid system may operate normally. 01b = On; hybrid system functionality is not allowed. 10b = Error 11b = Not Available

Volvo FM 400 HD 7555 spn fault code name is Hybrid System Shutdown Switch. If you don't take the time to look into Volvo FM 400 HD 7555 spn fault when it arises, it can add up quickly. One small issue like Volvo FM 400 HD 7555 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 Volvo FM 400 HD 7555 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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