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When I remove keys the radio stays on & windows still work when door open, why?

(2011 Chevrolet Malibu)
in New Baltimore, MI on May 18, 2013
What Im saying is when I cut the car off and take keys out, the radio doesn't cut off and the windows still are able to work AFTER I OPEN THE DOOR. Will that drain the battery? it just doesnt fell right cause I dont wanna be stranded any where because of this.
Displaying 3 answers & 3 comments
Popular Answer
on May 19, 2013
I will need more information to get you a more accurate answer. What I can tell you right now is that NO, this is not a normal condition. But, if the Body Control Module isn't bad, it should not drain your battery either. Your vehicle is equipped with a RAP (Retained Accessory Power) Module. The way the system is designed to work is this;
With the key in any position (except OFF) all the accessories will function normally. When the key is turned to the OFF position with the DOORS CLOSED, and the BCM detects that the battery is in a good state of health (voltage wise), the BCM will enable the RAP System. This allows for up to 10 minutes of Accessory use (power windows and radio/entertainment system included). The ONLY door switch input that causes the RAP system to turn off is the DRIVER door.
The BCM then continues to monitor the battery state of health and it's 10 minute timer. RAP will shut down after the 10 minutes or if the battery voltage drops to low (whichever happens first). If you can open the DRIVER door and the stuff still stays on, you do have a problem. Whether or not it will run the battery down depends on what the problem actually is. Open the DRIVER door, and then stand there and see if the system shuts down in 10 minutes or less. If it shuts down in this time, then the BCM is still able to turn off the RAP system and you are not in danger of a dead battery. If it stays active longer, then yes, you could have the battery run down on you. Let me know whether it shuts off or not and I will give you some diagnostic direction to find the problem.
on May 20, 2013
sorry partly miss understood. was thinking door closed. but I will argue that they drain the battery. how would the computer monitor the battery without some kind of power draw
on May 21, 2013
They will drain the battery if they are staying on for more then the 10 minutes. The BCM only monitors battery life for the RAP when the key is first turned off and then for 10 minutes afterwards until it shuts off RAP. There will not be a drain after that, as all the modules should enter "sleep mode". If there is a drain, there is a problem.
on May 18, 2013
they are designed to do that. and yes just make sure you listen for the radio and don't wait to long to open the door. and on new cars their are always thing running no matter what. battery will last about a week without use before it's deader than a door nail
on May 21, 2013
See dealer for warranty this is a problem, if you remove the key and open the door and system doesn't power down!! If out of warranty let us know, will advise further.
on May 21, 2013
I definitely agree with pushrod. Take the vehicle in for diag. As long as you are under 36,000 miles, you are still covered under factory warranty. If you are beyond the 36,000 mile mark, but purchased a GMPP Plan, it will be covered. Other aftermarket extended warranties have varying coverage. I am a current GM Dealership Technician. Without seeing the vehicle to scan it with a Tech 2, I would guess you have 1 of 3 possible things going on. 1) The switch that sends the "Door Open/Closed" signal to the BCM is bad. 2) The BCM is not getting the signal from the switch due to a wiring circuit issue. Or 3) there is a module issue with either the BCM or RAP modules.
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