2006 trailblazer electrical problem?
Driverside door panel won't do anything ex: won't roll windows down or lock or unlock without the button on the key. Also interior lights won't come on unless you hit unlock with the key button. Can't listen to radio with car off anymore.
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Who says cars can't be fixed over the Internet? That just depends on the information given! This is a very common problem in the Trailblazer/Envoy/Rainier, The (DDM) driver door module (driver switch) has failed and will have to be replaced The switch is a "module on Class 2 serial data line" Also if the switch is not communicating on the data line it will flag a U1000 series code! Also the vehicle will have to go to the dealer for it to be programed! Have you tried the "cold reboot" procedure on the BCM?
It sounds like you have a problem with the drivers door switch, but you can't fix cars over the internet. Go see a mechanic!