1846 SPN Fault Code

Name:

Engine Default Torque Limit

Description:

Companion parameter to Transmission Torque Limit (SPN 1845). This � echo � parameter provides confirmation to the transmission that the engine has received and will invoke the requested Transmission Torque Limit in the event that J1939 communication is lost between the two devices.If the engine supports this protection logic, the Engine Default Torque Limit parameter should be set equal to the Transmission Torque Limit parameter as received in the Transmission Configuration 2 message (PGN 65099). Otherwise, an Engine Default Torque Limit value of FF00h to FFFFh indicates that no engine default torque limit has been received or set. The intention is to protect transmissions that use a continuous torque limit during torque converter mode or operation in specific lower gears, where stall or drivetrain torque may reach levels higher than the gearbox capacity. If communication is lost during torque limited operation, unrestricted engine torque output could harm the transmission. It is recom

1846 spn fault code name is Engine Default Torque Limit. If you don't take the time to look into 1846 spn fault when it arises, it can add up quickly. One small issue like 1846 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 1846 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.

1846 SPN Fault Code

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