7889 SPN Fault Code

Name:

Hybrid Propulsion Mode Request

Description:

Hybrid Propulsion Mode Request is the operator intended propulsion mode. This parameter can be from only one source on the vehicle. Response to this request can be found in the Hybrid Propulsion Mode Status (SPN 7896) and Hybrid Propulsion Mode Transition Status (SPN 7897) parameters. In the case of a Diesel-Electric Hybrid, the source of this parameter may be a vehicle controller that monitors the operator interface for commands. Vehicle Performance may be reduced using Performance Bias Selection (SPN 6874) in any of these modes.Stored Energy Source Sustaining: In this mode, normal hybrid operation is desired. This state is characterized by the Stored Energy Source being online. In a Diesel-Electric hybrid, this operating mode is characterized as HVES charge sustaining where the energy for the vehicle is supplied by the combination of engine and HVES. The Stored Energy Source Set Point Request (SPN 7892) may be used to set an operating charge level for the HVES. Engine stop-start is a

7889 spn fault code name is Hybrid Propulsion Mode Request. If you don't take the time to look into 7889 spn fault when it arises, it can add up quickly. One small issue like 7889 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 7889 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.

7889 SPN Fault Code

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Description:

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