Question about 2002 Jeep Grand Cherokee

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I have a 02 jeep grand cherokee laredo that will not start. It cranks like the battery is fine. I think it has something to do with the security system. It has a solid yellow key with a strike through on the dash. I have tried disconnecting the negative terminal to the battery then reattaching to maybe reset the computer but still nothing. Everything has worked ok until this point and the dealer said possible security module. Is there anything else I can try before towing?

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I have a dodge nitro that has a factory security, but you dont hear the engine crank.. try pressing lock twice on the key remote then unlock twice then turn the key.

Posted on Jul 13, 2010

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Your antitheft can make your starter cut out. And If you think about it, all of the measurements to make the engine run are based on feedback of voltage and amperage. This is how the engine management system adjusts. If your prime source of power is low, then all of the following electrical readings will be low. Some may be too low to work.

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1 Answer

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