9109 SPN Fault Code

Name:

Propulsion Motor 1 Inverter Power Module Switch

Description:

Indicates a fault (either high side or low side) within the power module switch (e.g. transistor, IGBT or MOSFET) assembly in Propulsion Motor 1 Inverter. Includes saturation and/or desaturation faults, where applicable.

9109 spn fault code name is Propulsion Motor 1 Inverter Power Module Switch. If you don't take the time to look into 9109 spn fault when it arises, it can add up quickly. One small issue like 9109 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 9109 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.

9109 SPN Fault Code

Name:

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