Question about Jeep Grand Cherokee
The only time there will be any codes stored in the ECM is when you get a check engine light. The sensors will sometimes become loose or out of adjustment over time. Check this out and if all is ok then you will need to check the wiring. If all still checks out then you will need to replace the sensor. one quick test is to test the sensors with an ohm meter. They should have a closed loop. If your meter reads OL then it will need to be replaced. Hope this helps. Good luck.
Posted on Sep 05, 2010
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Posted on Jan 02, 2017
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