Question about 2003 Chevrolet Monte Carlo

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2003 Monte Carlo SS, FOBS won't unlock doors (new batterries), use key and open the door with the door open FOB will lock and unlock the door, shut the door and the FOB won't lock the doors. After a couple of seconds the alarm chirps and sets the alarm. Open door alarm goes off, now press door unlock on FOB and shuts off alarm. FOB still won't unlock or lock door. No lights on dash. Tried to access settings on Radio to reprogram FOBs, nothing shows up on radio. Is this the PASSKEY SECURITY problem? or what? Thanks in advance, Steve.

Posted by Steven A. Woodburn on

  • Anonymous Mar 14, 2014

    fluctuations between doors that won't lock or unlock



2 Answers

Ginny Larson

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Did you think to check the remote batteries. change them. if thats not the issue ....then sounds like the power is not getting full power from battery of vehicle. clean cables and try again. Some vehicles have a way that you have to use to reset automatic doors that open by remotes and such so if any of this helps let me know. Certain ones have to be reset by a diagnostic scan tool.

Posted on May 02, 2014

  • Ginny Larson May 02, 2014

    check the cables and vehicle battery clean them and tighten. then put in new remote batteries you can get them at part stores. consult you user manual for info on remote .

  • Ginny Larson May 02, 2014

    change remote batteries and clear codes. clean battery cables



Joe Taylor

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If the passkey is messed up, there will be a light on the dash that says security, or have a picture of a car with a lock thru it. If there is no light when the key is turned forward, then its NOT a passkey problem.

2003 Monte Carlo SS, FOBS - tayjoejoe_35.jpgtayjoejoe_36.jpg

Posted on Aug 19, 2011

  • Ginny Larson May 02, 2014

    did you think to check the remote batteries. change them. if thats not the issue then sounds like the power is not get full power from battery of vehicle. clean cables and try again. Some vehicles have a way that you have to use to reset automatic doors that open by remotes and such so if any of this helps let me know.



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