Mack MR690S 2890 SPN Fault Code

Name:

Engine Multi-Unit Sync State

Description:

This feature is widely used in Industry to operate multiple engines from a single command source. A master engine will « synchronize » one or more slave engines to operate at the same speed. This feature is requested by an operator switch, this parameter indictes the state of the feature as determined by the controlling ECM.00b = Control State is Functionality disabled (off) 01b = Control State is Functionality enabled (on) 10b = SAE reserved 11b = Not available

Mack MR690S 2890 spn fault code name is Engine Multi-Unit Sync State. If you don't take the time to look into Mack MR690S 2890 spn fault when it arises, it can add up quickly. One small issue like Mack MR690S 2890 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 Mack MR690S 2890 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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