Junior Member
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Join Date: Apr 2019
Location: Boise, Idaho
Posts: 28
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Junior Member
Join Date: Apr 2019
Location: Boise, Idaho
Posts: 28
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c1407 code - speed sensor harness?
So I got a lift on my 5th gen and shortly after had an issue with the rear right shock which was replaced by the same mechanic that did the lift.
Shortly after that, my dash lit up like a christmas tree. Pulled the code and got C1407 Open or Short Rear Speed Sensor RH
Since the sensors between front and back are interchangeable, I swapped the right front and rear sensors and went for a drive. Still same code, so I assume the sensor is fine.
This leads me to believe the harness itself was stretched during the lift, maybe broken somewhere.
My question is, what do I do now? How Do I test the harness? I can see the wire from the sensor go along the rear axle and up into the body of the vehicle, but where does it connect? Where do I test it, and has anyone replaced the harness themselves?
Thank you!
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