Does the bcm control the alarm in a 2006 monte Carlo? I can't seem to get the alarm to go off. I've also noticed that I have no chime and turn signal sounds. I just recently purchased this car and didnt think to check these items when I bought it. Thanks

Question edited for a lot more clarity.
Question moved to model category.

Check in with a local auto electrician. You have multiple issues that only a pro grade scan tool computer and a good tech can solve.

https://www.google.com/search?q=mobile+auto+electrician+near+me

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See this... https://en.wikipedia.org/wiki/Body_control_module

if you are standing front of the car , look down at the radiator it is right there under the front front exhaust manifold

The chime is integrated into the Body Control Module (BCM) and can't be disabled without turning off everything that the BCM controls, windows, wipers, security etc.

If it has an after market radio/cd player, this is why.

When you turn the key on the security light will come on on the dash as part of the bulb check. A 2006 will have a factory alarm. Let me know if you have any questions and I'll do my best to answer them. Thank you for using FixYa.com!

I’m happy to assist further over the phone at https://www.6ya.com/expert/jeremy_d728a59f986299fa

Most likely low coolant/antifreeze. Check the fluid level and make sure it's full. If it's full, it may be the water pump not functioning properly

The Body Control Module (BCM) controls the audible warnings. Refer to Body Control System Description in Body Control System for more information regarding the BCM.
The body control module (BCM) controls these reminders:
• Key in ignition reminder: An audible warning intended to remind the driver that the key has been left in the ignition cylinder. The BCM sounds the chime for this reminder at a rate of 150 chimes per minute.
• Fasten seat belt reminder: An audible warning intended to remind the driver at the beginning of the driving cycle that the driver's seat belt is unfastened. The BCM sounds the chime for this reminder at a rate of 50 chimes per minute.
• Fasten belts indicator control: A visual warning intended to remind the driver that the driver's seat belt is unfastened.
• Parking brake reminder: An audible warning intended to remind the driver that the parking brake has been left applied with the transaxle shifted out of PARK. The BCM sounds the chime for his reminder at a rate of 200 chimes per minute.
• Turn signal reminder:
An audible warning intended to remind the driver that the turn signal has been left on while the vehicle has traveled over 1.2 km (¾ mile). The BCM sounds the chime for this reminder at a variable rate (in unison with the turn lamps on) of 90 chimes per minute.
• Headlamps ON reminder: An audible waring intended to remind the driver that the headlamps have been left on. The BCM sounds the chime for this reminder at a rate of 200 chimes per minute.
• Last door closed locking confirmation: An audible warning intended to provide the driver feedback that the last door closed locking feature is active. The BCM sounds the chime for this remainder at a rate of 200 chimes per minute.
• Feature customization and diagnostics feedback: An audible feedback used when changing feature customization modes. Also used by service technicians during the BCM diagnostics. The BCM sounds the chime during the feature customization, and also during diagnostics. Refer to Body Control Module (BCM) for additional information.

Step
Action
Value(s)
Yes
No
1
Was the BCM diagnostic system check performed?
--
YES - Go to Step 2
NO - Go to Diagnostic System Check - Body Control System in Body Control System
2
Check for Powertrain Control Module (PCM) Diagnostic Trouble Codes (DTCs). Refer to Powertrain On Board Diagnostic (OBD) System Check (LX5) or Powertrain On Board Diagnostic (OBD) System Check (L36) in Engine Controls for more information.
Are there any PCM DTCs present?
--
Go to Appropriate DTC Table in Engine Controls
Go to Step 3
3
Connect a scan tool to the Data Link Connector (DLC).
Using scan tool, select BCM data display inputs and monitor the park brake switch input.
While observing the scan tool, apply and then release the park brake.
Does the scan tool indicate that the park brake input is off while the park brake is released?
--
Go to Step 7
Go to Step 4
4
Turn the ignition switch off.
Disconnect the scan tool from the DLC.
Disconnect the BCM connector C1.
Release the park brake.
Using a test light, connect between B+ and the BCM connector C1 terminal D5.
Is the test light off?
--
Go to Step 7
Go to Step 5

Your best bet ,take it to a qualified repair shop

I would check around the area on the trunk for a switch and bypass it rather than unhook it but be careful dome light switch is there too. You can just follow the sound and unplug the chime tho
God Bless Greg