2781 SPN Fault Code

Name:

Engine Secondary Coolant Circuit Coolant Pressure 2

Description:

The second instance of pressure in the low temp (secondary circuit) coolant loop. This is in addition to the hight temp tank (primary engine block circuit).See SPN 2981 for the first instance of pressure in the low temp coolant loop.

2781 spn fault code name is Engine Secondary Coolant Circuit Coolant Pressure 2. If you don't take the time to look into 2781 spn fault when it arises, it can add up quickly. One small issue like 2781 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 2781 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.

2781 SPN Fault Code

Name:

Description:

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