8139 SPN Fault Code

Name:

Left Wheel Lane Departure Distance

Description:

The measured distance of departure of the left wheel on the left side of the lane, as measured from the left edge of the left tire to the right edge of the current lane’s left marker.A distance of 0 indicates the left edge of the left tire is aligned with the right edge of the lane’s left marker. Positive distance values indicate the left tire has departed the left side of the lane by the reported distance. Negative distance values indicate the left tire is within the lane at the reported distance from the lane’s left edge. Measured values greater than 125 cm results in value 251. 251 = Greater than 125 cm / Not in range 252 = Lane marker not reliable 253 = Reserved 254 = Error 255 = Not available

8139 spn fault code name is Left Wheel Lane Departure Distance. If you don't take the time to look into 8139 spn fault when it arises, it can add up quickly. One small issue like 8139 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 8139 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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