4178 SPN Fault Code

Name:

Transmission Service Indicator

Description:

Signal from transmission indicating that some aspect of the gearbox requires servicing, such as the oil, filter, clutch(es) or other component.00b = Transmission Service Indicator is off 01b = Transmission Service Indicator is on continuously 10b = Transmission Service Indicator is flashing 11b = Not available

4178 spn fault code name is Transmission Service Indicator. If you don't take the time to look into 4178 spn fault when it arises, it can add up quickly. One small issue like 4178 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 4178 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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SPNFMI Faults and Engine error code check tool. SPN code listing with names and descriptions.

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