Question about 2002 Jeep Liberty

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Speedometer 2002 jeep liberty, the instrumentation works fine except the speedometer. It will fluctuate from up and down continually while driving. I have no idea how fast I am going. Any idea would be greatly appreciated. Thanks.

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  • Anonymous Dec 09, 2008

    I have the same problem. I called multiple dealers and all but one told me that I need to replace the vehicle speed sensors on the transmission ( input and output ). One other dealer said I needed to change the sensor in the Differential. So I took the majority along with the reading from the diagnostics and replaced both sensors on the transmission. Nothing happened. Today I found a post that said it's the sensor on the differential that works the speedo and the odometer. Can anyone tell me if this will actually fix the problem or should I break down and pay the dealer. The part I purchased was 04799061AB. Is the sensor in the differential different? Any help would be appreciated.

  • crys4526 Dec 30, 2008

    i have the same problem and i am going nuttttsss... i have a 2002 jeep liberty and the speedometer one day stopped working and the check engine light came on then the next day the car died. i replaced 2 senors, about 3 weeks later the speedometer died again along with the car, but no check engine light. i guess the senor had to be replaced again. now a month later, it is all happening again. am i missing something??? a mechainc is fixing this not me... should i take it to the dealer?!?!?!



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The rear wheel speed sensor may be going bad......the pcm uses it for a speed signal

Posted on Nov 19, 2008

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Had the same problem. Replaced the sensor, but it still did it. My private mechanic looked for a short in the wiring but couldn't find it. Finally broke down and took it to the dealer. They called me 15 minutes after I dropped if off and said that they had found a "fray in the wiring" and had fixed it. I don't know where it is, but the dealerships know about it - just aren't telling. BTW my mechanic had another 02 Liberty come in with the same problem 3 days after the dealer "fixed" mine!

Posted on Dec 09, 2008


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