After months of electrical problems and just stress and anger, we finally narrowed our problems down to the Body Control Module. It was replaced, and some things still didn't work, but it had blown fuses so we replaced them and all seems to be doing well.
But the radio still says "Locked". It was saying that before repair, but it also had locked the windows and the dash said "Security".
We aren't having any of those problems anymore, just the radio is locked.
Is there a way to unlock the radio? Or is it pretty much a lost cause at this point?
We don't have a code as I've read that's the fairly straight approach. We've contacted the dealer (it's used) he said call Pontiac. we've called Pontiac and they said they don't keep the codes...
any help at this point is just great because I'm almost going crazy just listening to my tires roll on the road...
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Remove the radio bezel. Refer to Radio Replacement .
Disconnect the body control module (BCM) electrical harnesses.
Remove the BCM from the instrument panel (I/P) retainer:
3.1. Pry the BCM tabs from the locking tabs on the underside of the restraint.
3.2. Slide the BCM out of the retainer
The BCM needs to be programmed if replaced !
The body control module (BCM) must be programmed with the proper RPO configurations. The BCM stores the information regarding the vehicle options and if the BCM is not properly configured with the correct RPO codes, the BCM will not control all of the features properly. Ensure that the following conditions exist in order to prepare for BCM programming:
• The battery is fully charged.
• The ignition switch is in the ON position.
• The data link connector (DLC) is accessible.
• All disconnected modules and devices are reconnected before programming.
The following procedures need to be performed to properly configure a BCM:
Program Key Fobs
Body Control Module (BCM)
In the center of the I/P, behind the HVAC control module
Sounds like the computer is confused or fried. You might try removing the battery cable for about a minute and then putting it back on. You will probably have to reset the radio codes after doing that. If that doesn't work the unit may have to be replaced.
The BCM (body control module) does not actually control the body, but is a computer responsible for the functions of the body components in the car, like turn on the headlights, do central door locking, electric windows, security sensors, air con etc. The message indicates that the main computer (that gives you messages) cannot see or talk to the BCM, it uses a wired CAN bus protocol similar to ethernet. So you have to check the wiring and connectors between the BCM and other computer modules in the car. Make sure they are not damaged or wet. Disconnect each one and spray it with WD40 then reconnect it fully.
possible bcm you have a on board computer that tells you when doors are open lights are on also after turning key off you can listen to radio or open close windows for a limit of time then the bcm cuts off the power to everything if you are not sure check with dealer if they have problems with bcms body control module
U may have a problem with the BCM (body control module), it will happen again and becopme more frequent until it won't start. I suggest the next time ythis happens have the GM dealer test the BCM, it has a self testing feature to help ID these types of problems, it takes a GM electronic scanner to tap into the functions of the BCM..
Let me ask you this:
Is there ANYTHING on the car that is not "factory"? (remote starter, burglar alarm, aftermarket keyless entry, etc)
If your answer is "yes" to any of the above, you may have a damaged body control module (BCM). Any Toyota with a BCM can experience a BCM failure with certain remote starters, etc....
If so, it is rather expensive to replace.
Ours did the exact same thing. It eventually did the 'disco effect' where the head lights were flashing constantly and horn honking. It would only stop if we took the fuse for the Body Control Module out for 30 seconds. Only that was a temporary fix. It finally got so bad that the car locked itself down and we had to take it in. The BCM had to be replaced (cost us $350) and it seems to do a lot better, but the radio is still locked but it might just have to be reset. Hope it helps!