Question about 2001 Chrysler Concorde

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Key replacement and reset ecm

Someone try to still the car and we replace key now wont start

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Is key a security chip key ?? if so use only the one made for that car .. or change out the ignition switch with new key also

Posted on Jan 26, 2009

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1990 Cadillac Eldorado Biarritz reading shows the code e52. How do I fix?


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90 Cadillac sedan deville 4.5L My car won't turn over all the power is gettin to the vehicles dash tried the trouble shooting it said it was the ECM memory reset so I changed the ECM computer and it is still doin the same thing some people say it might b the saftey neutral switch but i want to no from someone with experience opinion. I have changed the ignition module and the ECM computer recently and it still does nothing

Answer
Hi Chris, The code E52 just means that the ECM lost power or ground or that someone forgot to clear the code after hooking the battery back up. It could mean a bad computor but not very often. 2 things that come to mind is a bad ignition key or lock cylinder or a faulty neutral safety switch. Try the other ignition key first. Then with your foot on the brake pedal hold the key in the start position and move the shifter slowly from P to D. If it tries to start then the NS Switch is bad or out of adjustment. If it still won't start then you will need to troubleshoot the ignition key/PASS KEY system for an open wire in the steering column. Hope that helps. Bill

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1) Put the key in the ignition and turn to the "ON" position. Leave it that way for 10 minutes. After 10 minutes turn the key and take it out. Repeat this process (2) more times (3 times, 30 minutes total) This should reset the passlock system to recognize your key.

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