Mack GRF64 9173 SPN Fault Code

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Engine Protection Derate Override Command

Description:

Command signal to override engine protection derate. This is to temporarily override an engine protection derate due to coolant temperature, oil pressure etc. This is for applications such as fire, rescue, and military vehicles to help them get out of emergency situations. The Engine Protection Derate Override Command SPN shall apply to derate applications only (i.e. applications that do not shut the engine down). Vehicles using SPN 1237 Engine Shutdown Override Switch, may still use that SPN to override engine derates as has been industry standard practice. The engine will default to normal derate mode when error or loss of messages occur which will be similar to TSC1 override mode. 00b = Override disabled 01b = Override active 10b = Reserved 11b = Don�t care/take no action Note: When engine receives this command indicating derate override active, an engine will remove a derate due to engine protection and will operate at normal full power. When a command is received to disable derate

Mack GRF64 9173 spn fault code name is Engine Protection Derate Override Command. If you don't take the time to look into Mack GRF64 9173 spn fault when it arises, it can add up quickly. One small issue like Mack GRF64 9173 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 Mack GRF64 9173 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.

Mack GRF64 9173 SPN Fault Code

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Description:

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