3957 SPN Fault Code

Name:

Auxiliary Transmission Constant Supply Actuator

Description:

The auxiliary transmission constant supply actuator energizes the supply port of an auxiliary transmission. This may demand a shift to neutral, when no other inputs are pressurized.

3957 spn fault code name is Auxiliary Transmission Constant Supply Actuator. If you don't take the time to look into 3957 spn fault when it arises, it can add up quickly. One small issue like 3957 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 3957 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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Truck List With 3957 SPN Code :

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