3749 SPN Fault Code

Name:

Engine Overcooled

Description:

Indicates that the engine has been overcooled enough to warrant triggering a diagnostic event. Intended to be used with FMI 31 � condition exists This SPN would indicate that the engine is not capable of generating enough heat energy to get to a warmed up state due to unknown conditions.

3749 spn fault code name is Engine Overcooled. If you don't take the time to look into 3749 spn fault when it arises, it can add up quickly. One small issue like 3749 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 3749 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.

3749 SPN Fault Code

Name:

Description:

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