7771 SPN Fault Code

Name:

Engine Valve Control Module 2 Preliminary FMI

Description:

Used to identify the applicable J1939-73 FMI detected in Engine Valve Control Module 2 by the manufacturer�s software. When there are multiple failures, the most severe is transmitted.A value of 31 is sent to indicate that no failure has been detected or this parameter is not supported. Engine Valve Control Module 2 is the second module used to control the valves on the engine.

7771 spn fault code name is Engine Valve Control Module 2 Preliminary FMI. If you don't take the time to look into 7771 spn fault when it arises, it can add up quickly. One small issue like 7771 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 7771 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.

7771 SPN Fault Code

Name:

Description:

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