1855 SPN Fault Code


Transmission Mode 4


Indicates whether transmission mode 4 is enabled. Modes are manufacturer specific and are not necessarily mutually exclusive. See also SPN 2539.00b = Disable 01b = Enable 10b = Reserved 11b = Take no action

1855 spn fault code name is Transmission Mode 4. If you don't take the time to look into 1855 spn fault when it arises, it can add up quickly. One small issue like 1855 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 1855 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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