3644 SPN Fault Code

Name:

Engine Derate Request

Description:

This parameter is a derate request made from the engine control system to an external system, where the engine is requesting an external device to reduce the load being applied. A zero value indicates that there is no derate being requested and 100% means full derate being requested. Any non-zero value represents a derate is being requested, at a percentage of full load. The engine control system identifies any problems and determines the amount of derate the situation calls for. This parameter can be useful to customer applications that prefer awareness and control of the engine derate.See also SPN 8436 for a Derate Request in kW.

3644 spn fault code name is Engine Derate Request. If you don't take the time to look into 3644 spn fault when it arises, it can add up quickly. One small issue like 3644 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 3644 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.

3644 SPN Fault Code

Name:

Description:

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