WORKHORSE W42 7558 SPN Fault Code

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Hybrid System Propulsion Disable Request

Description:

Indicates the Hybrid System Disable Request state. The signal gives network controllers the ability to disable the propulsion aspect of hybrid system operation when this request is on. However, hybrid powered accessories may be on and the engine may still run. Regenerative braking is allowed unless disabled by SPN 7552 (Hybrid System Regenerative Braking Disable Switch) or SPN 7559 (Hybrid System Regenerative Braking Disable Request). Engine starting by the hybrid system is allowed. Movement of the vehicle by the hybrid system is not allowed. This is not the physical switch that performs the hybrid system propulsion disable. See SPN 7554 for the physical switch.This feature may allow technicians to test the engine independent of hybrid system propulsion (e.g. control engine fueling using the accelerator pedal without Hybrid System assistance). Another use may be to operate a parallel hybrid system in a conventional engine/transmission mode. Note: This parameter is not related to SPN 73

WORKHORSE W42 7558 spn fault code name is Hybrid System Propulsion Disable Request. If you don't take the time to look into WORKHORSE W42 7558 spn fault when it arises, it can add up quickly. One small issue like WORKHORSE W42 7558 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 WORKHORSE W42 7558 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.

WORKHORSE W42 7558 SPN Fault Code

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Description:

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