4639 SPN Fault Code

Name:

Joystick 8 X-Axis Neutral Position Status

Description:

Reports when the current joystick position is in the neutral position for that axis of travel. The neutral position measurement must be determined from some mechanism other than the axis position measurement device.00b = Not in Neutral Position 01b = In Neutral Position 10b = Error Indicator 11b = Not Available

4639 spn fault code name is Joystick 8 X-Axis Neutral Position Status. If you don't take the time to look into 4639 spn fault when it arises, it can add up quickly. One small issue like 4639 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 4639 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.

4639 SPN Fault Code

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