Mack MD642 7761 SPN Fault Code

Name:

Requested Engine Speed Deceleration Rate Limit

Description:

This parameter is intended to be received by a device sending speed commands to an engine (e.g. TSC1 or proprietary command). The sending device should issue speed commands such that this deceleration rate is not exceeded.A value of FB00h indicates no request for a deceleration rate limit. For Example: If deceleration rate limit is 50 RPM/sec, the actual speed deceleration cannot be numerically greater than 50.

Mack MD642 7761 spn fault code name is Requested Engine Speed Deceleration Rate Limit. If you don't take the time to look into Mack MD642 7761 spn fault when it arises, it can add up quickly. One small issue like Mack MD642 7761 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 MD642 7761 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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