8436 SPN Fault Code


Engine Power Derate Request


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 no derate, while any other value indicates the amount of load (in kW) to be reduced.See also SPN 3644 for a Derate Request in percent.

8436 spn fault code name is Engine Power Derate Request. If you don't take the time to look into 8436 spn fault when it arises, it can add up quickly. One small issue like 8436 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 8436 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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SPNFMI Faults and Engine error code check tool. SPN code listing with names and descriptions.

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