kentuckynet Posted January 19, 2008 Report Share Posted January 19, 2008 When my wife goes to town and goes in and out of several stores, the car wont start. The engine turns over as it should but doesnt even act like it wants to start. The only errot code is P1629H...fuel password not received. When the car wont start you let it sit for around an hour then it will start and run just fine. What on earth does this mean and what should i check? Thanks Link to comment Share on other sites More sharing options...
kentuckynet Posted January 20, 2008 Author Report Share Posted January 20, 2008 hello ...where did everybody go? Link to comment Share on other sites More sharing options...
Ranger Posted January 21, 2008 Report Share Posted January 21, 2008 Never heard of a fuel password. Sounds like a security problem. Have you tried a spare key? Link to comment Share on other sites More sharing options...
kentuckynet Posted January 21, 2008 Author Report Share Posted January 21, 2008 Its the only key we have and its the original. I hate cadillacs! Link to comment Share on other sites More sharing options...
Ranger Posted January 22, 2008 Report Share Posted January 22, 2008 You don't have a spare key? What if you loose it? Since you need one anyway, have a new one made and try it. Might be a bad transponder (or whatever it is in the key head). Link to comment Share on other sites More sharing options...
jackiebythecreek Posted August 28, 2008 Report Share Posted August 28, 2008 When my wife goes to town and goes in and out of several stores, the car wont start. The engine turns over as it should but doesnt even act like it wants to start. The only errot code is P1629H...fuel password not received. When the car wont start you let it sit for around an hour then it will start and run just fine. What on earth does this mean and what should i check? Thanks Link to comment Share on other sites More sharing options...
jackiebythecreek Posted August 28, 2008 Report Share Posted August 28, 2008 When my wife goes to town and goes in and out of several stores, the car wont start. The engine turns over as it should but doesnt even act like it wants to start. The only errot code is P1629H...fuel password not received. When the car wont start you let it sit for around an hour then it will start and run just fine. What on earth does this mean and what should i check? Thanks Hi. My CTS is now doing the same thing , except that i can still get it to start after several tries . did you ever find out what the problem was. grateful for any info. thanks.. Link to comment Share on other sites More sharing options...
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