1377 SPN Fault Code

Name:

Engine Synchronization Switch

Description:

This is the On/Off operation of the Multiple Unit Synchronization functionality. When it is enabled (i.e. On) the master engine will synchronize one or more slave engines to operate at the same speed. This switch position indicates whether this feature is disabled (off) or enabled (on).00b = Functionality is disabled (off) 01b = Functionality is enabled (on) 10b = Error 11b = Not available or Unused

1377 spn fault code name is Engine Synchronization Switch. If you don't take the time to look into 1377 spn fault when it arises, it can add up quickly. One small issue like 1377 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 1377 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.

1377 SPN Fault Code

Name:

Description:

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