Question about 2004 Chevrolet TrailBlazer
This is something that the dealer may have to reprogram. If you do not have an Owner's handbook, please feel free to let me know so I can get one to you. Do you have a display on your instrument panel saying "Battery low"? This is an indicator oif the key fob battery being low. Also if you had to stand real close as of late to get it to respond, it is an indication of the key fob battery low. Let me know.
Posted on Sep 03, 2010
Sounds like body computer is malfunctioning or the module that controls the door locks lost it's program.Disconnect the battery for few minutes then reconnect and check.In some cases this resets the system computer and all starts working.But if that does not helps then problem has to be checked with the power door lock system.Either a power door lock actuator or the power door lock switch.
Usually the most common problems with power door locks are the actuators. They are small electric motors used to lock and unlock the car doors when activated by a switch or remote. Like any electric motor sooner or later it will fail. Replacing an actuator involves removing the interior door panel for access. Some are part of the door latch and some are independent.
Either way, door lock actuators need to be replaced if they are buzzing, working only in one mode or are not working at all. if the problem is with the door lock actuator or just the switch. If a All the door locks, only work when locking and NONE of them work to unlock, then the switch is most likely the cause.
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Posted on Sep 03, 2010
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Posted on Jan 02, 2017
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