I have a 1998 Jeep Cherokee 4WD. Running ok right now BUT when hooking code reader to it, it won't show any reading (like there is no power in the computer). The code reader is not defective - it works on all the other vehicles. Any idea why this would happen and what are the consequences of driving the vehicle if the computer has no juice? Thank you.
The vehicle wouldn't run without the computer, it may be the code reader is not set up for your vehicle, especially if its a general reader
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There is what is called a bus connection between the place you plug the computer scan tool in and the cars computer. you may have a bad connection between the two....though it isn't giving you problems yet, if you do have something go wrong it will be harder to find out why. At the place you are at now, I'd be torn between leaving well enough alone and actually having a good shop find and repair the problem. Both ideas have their good and bad points. If the job is not done correctly, you may end up having three new problems.
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