2002 Jeep Grand Cherokee power windows don’t work

Dear Doctor: My 2002 Jeep Grand Cherokee Laredo starts and stalls. After about 5 seconds, the power windows won’t work and not all of the power door locks work when activated with the remote key fob. I did most of the usual checks and the fuel pump is working with the correct fuel pump pressure and checked the wire connections, but still cannot find a solution. What do you advise? Tony


Dear Tony: These problems are going to require testing. A scan tool is needed to check for trouble fault codes in the computer. Both cam and crank signal sensors are very common issues on this vehicle. The power window wiring goes through the body control module. You will have to take the Jeep to a repair shop that has the equipment to diagnose the system.

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