4977 SPN Fault Code

Name:

Roll Angle (Extended Range)

Description:

The angle between the vehicle y-axis and the ground plane (i.e. rotation about the X-axis). The roll angle for a roll to the right is reported with a positive value. Roll angle is the same for both Z-Down and Z-Up axis systems, since both systems have positive X axis directed forward. The sign of the value is in accordance to the right-hand rule, as specified in SAE J670. See SPN 3319 for an alternate range and resolution.

4977 spn fault code name is Roll Angle (Extended Range). If you don't take the time to look into 4977 spn fault when it arises, it can add up quickly. One small issue like 4977 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 4977 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.

4977 SPN Fault Code

Name:

Description:

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