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1

They're not going to be compatible. Look at the code on the PCM, and then look it up on an interchange site; you'll find that Jeep and Dodge 6.1 engines never come up in the same list. Also, to make the PCM work in another car - even one where the PCM is a direct replacement - it needs to be programmed to the cars VIN and Mileage, and the keys need to be ...


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Very Possible since they are both the same engines, but impossible to answer with out the part numbers from both units. With that info I could cross reference them to see if they have the same base hardware. IF they do have the same hardware then you CAN downgrade the software and re-flash what you need but its not common knowledge even among Chrysler techs ...


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Thank you for all your answers. Called a Jeep dealer in my country and they said that above 35MPH the 4wd deactivates automatically and reactivates at lower speed. It continues to do so untill i pull the 4wd lock lever.


2

No problems with that - the "4WD" button on the Patriot just locks the torque split at 50/50 between front and rear, normally the AWD system distributes power as slip is detected. Driving on a dry highway at 50 you'll have used (slightly) more fuel with it engaged than not but that's about it. To quote the operators manual: This can be done on the fly, ...


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I'm assuming that model has a simple 4WD transfer case and not one with a front-to-rear differential. That means that there is no "slip" in the driveline. Generally you feel this when you try to turn at low speeds as a "binding" often accompanied by creaking or popping. For a vehicle in normal condition, this causes no damage other than slipping the ...


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