7449 SPN Fault Code

Name:

Hybrid System Motor Overspeed Indicator

Description:

Signal from the hybrid system indicating that the hybrid system motor is exceeding maximum speed limit. 00b = Hybrid System Motor Overspeed Indicator is off 01b = Hybrid System Motor Overspeed Indicator is on continously 10b = Hybrid System Motor Overspeed Indicator is flashing 11b = Not Available

7449 spn fault code name is Hybrid System Motor Overspeed Indicator. If you don't take the time to look into 7449 spn fault when it arises, it can add up quickly. One small issue like 7449 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 7449 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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