8140 SPN Fault Code

Name:

Right Wheel Lane Departure Distance

Description:

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

8140 spn fault code name is Right Wheel Lane Departure Distance. If you don't take the time to look into 8140 spn fault when it arises, it can add up quickly. One small issue like 8140 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 8140 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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