If your 2008-2013 Cadillac CTS is starting to act haunted with bizarre electrical issues, you’ve likely come to the right place. As a technician with over two decades of experience, I’ve seen firsthand how a failing Body Control Module (BCM) can turn a luxury vehicle into a source of daily frustration. This isn’t just a component; it’s the central nervous system for your car’s comfort and convenience features. When it fails, you get a cascade of problems that can be maddening to diagnose. That’s why we offer a straightforward, reliable solution: a replacement BCM, programmed specifically to your vehicle’s VIN before it ever leaves our facility.
A Technician’s Notebook: The Ghost in the Cadillac
A customer brought in a 2011 CTS with a list of complaints that sounded like a poltergeist was at work. The interior lights would flicker randomly, the driver’s side window would only work intermittently, and the key fob would sometimes refuse to lock the doors. There were no consistent trouble codes, just a general ‘U’ code for lost communication that would pop up now and then. After verifying the primary power and ground circuits to the BCM were solid, we knew where the problem was. We installed a VIN-programmed module, just like this one, and every single phantom issue vanished. The customer was thrilled to have their car back to normal without a costly, time-consuming dealership visit.
Is Your CTS Showing These Symptoms?
- ✔ Erratic or non-functional power windows, door locks, or interior lighting.
- ✔ The security system or alarm is falsely triggering or not working correctly.
- ✔ Instrument panel gauges behaving strangely or warning lights appearing for no reason.
- ✔ Key fobs are not being recognized by the vehicle.
- ✔ Communication issues with other modules, often setting codes like U0140.
- ✔ Problems with the HVAC (heating and air conditioning) controls.
Ignoring these symptoms can lead to more significant issues, including a no-start condition if the BCM fails to communicate with the vehicle’s security system. This isn’t just an inconvenience; it’s a matter of reliability and safety.
A Straightforward Guide to Installation
Installing your 2008-2013 CTS Body Control Module is a manageable task for a confident DIYer. The BCM is typically located on the left-hand (driver’s) side of the dash.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait a few minutes before beginning work.
- Access the Module: You will likely need to remove the lower dash panel or knee bolster under the steering column to gain access to the BCM.
- Disconnect and Remove: Carefully disconnect all electrical connectors from the old BCM. Note their orientation. Then, unbolt or unclip the module from its mounting bracket.
- Install the New BCM: Mount the new, pre-programmed module in place of the old one. Reconnect all electrical connectors securely.
- Final Steps: Reassemble the dash panels and reconnect the negative battery terminal.
Important Post-Installation Note: After installation, you may need to perform a couple of relearn procedures. If your airbag light is on, a ‘Setup SDM Primary Key in BCM’ procedure is necessary using a professional scan tool. A ‘Brake Pedal Position Relearn’ might also be required for proper brake light and traction control operation. Always consult a factory service manual for detailed instructions specific to your vehicle.
Verified Vehicle Compatibility
This BCM is a direct replacement for part number 10382479 and a wide range of other GM part numbers. While this listing is focused on the 2008-2013 CTS Body Control Module, it also fits many other vehicles. Please confirm your part number or match your vehicle from the list below.
This part will fit these makes and models with these options:
EXPRESS 2500 VAN 10 Body Control (BCM); (center dash), 6.0L
EXPRESS 3500 VAN 08-09 Body Control (BCM); (center dash)
SAVANA 3500 VAN 10 Body Control (BCM); (center dash), 6.6L, VIN 6 (8th digit, opt LMM)
IMPALA 06-12 Body Control (BCM); (LH dash)
SAVANA 2500 VAN 10 Body Control (BCM); (center dash), 4.8L
ACADIA 07-12 Body Control (BCM); (LH dash)
MONTE CARLO 06-07 Body Control (BCM); (LH steering column)
TAHOE 10 Body Control (BCM); (under steering column), ID 25892622
TRAVERSE 09-12 Body Control (BCM); (LH dash)
EXPRESS 3500 VAN 10 Body Control (BCM); (center dash), 6.6L, VIN 6 (8th digit, opt LMM)
YUKON 10 Body Control (BCM); (under steering column), ID 25892622
SAVANA 2500 VAN 11-12 Body Control (BCM); (center dash)
YUKON XL 1500 10 Body Control (BCM); (under steering column), ID 20815898
CAPTIVA SPORT 12 Body Control (BCM); (center dash), ID 20921435
CAPTIVA SPORT 12 Body Control (BCM); (center dash), ID 22860591
DTS 06-11 Body Control (BCM); (RH center dash)
OUTLOOK 07-10 Body Control (BCM); (center dash)
SUBURBAN 1500 10 Body Control (BCM); (under steering column), ID 25892622
ESCALADE EXT 10 Body Control (BCM); (under steering column), ID 25892622
SAVANA 1500 VAN 08-12 Body Control (BCM); (center dash)
EXPRESS 2500 VAN 11-12 Body Control (BCM)
EXPRESS 1500 VAN 08-12 Body Control (BCM); (center dash)
STS 10 Body Control (BCM); center dash
SAVANA 3500 VAN 08-09 Body Control (BCM); (center dash)
TORRENT 07-09 Body Control (BCM); (center dash)
SAVANA 2500 VAN 10 Body Control (BCM); (center dash), 6.0L
TAHOE 10 Body Control (BCM); (under steering column), ID 20815898
CTS 08-13 Body Control (BCM); LH dash
CAPTIVA SPORT 12 Body Control (BCM); (center dash), ID 20921436
EXPRESS 3500 VAN 10 Body Control (BCM); (center dash), 6.0L
G8 08-09 Body Control (BCM); (center dash)
IMPALA 13 Body Control (BCM); (LH dash), ID 22820315
SUBURBAN 1500 10 Body Control (BCM); (under steering column), ID 20815898
AVALANCHE 1500 10 Body Control (BCM); (under steering column), ID 25892622
EXPRESS 2500 VAN 10 Body Control (BCM); (center dash), 4.8L
EXPRESS 2500 VAN 10 Body Control (BCM); (center dash), 6.6L, VIN 6 (8th digit, opt LMM)
YUKON 10 Body Control (BCM); (under steering column), ID 20815898
ESCALADE 10 Body Control (BCM); (under steering column), ID 25892622
LUCERNE 06-11 Body Control (BCM); (right side dash)
CTS 08 Body Control (BCM); RH dash
ESCALADE ESV 10 Body Control (BCM); (under steering column), ID 25892622
EXPRESS 3500 VAN 10 Body Control (BCM); (center dash), 4.8L
SAVANA 2500 VAN 08-09 Body Control (BCM); (center dash)
SAVANA 3500 VAN 10 Body Control (BCM); (center dash), 4.8L
SAVANA 3500 VAN 10 Body Control (BCM); (center dash), 6.0L
YUKON XL 1500 10 Body Control (BCM); (under steering column), ID 25892622
ESCALADE 10 Body Control (BCM); (under steering column), ID 20815898
SRX 07-09 Body Control (BCM); LH dash
ESCALADE ESV 10 Body Control (BCM); (under steering column), ID 20815898
EXPRESS 3500 VAN 11-12 Body Control (BCM)
HUMMER H2 08-09 Body Control (BCM); (LH firewall)
SAVANA 3500 VAN 11-12 Body Control (BCM)
VUE 08-10 Body Control (BCM); (center dash)
CAPRICE 11-13 Body Control (BCM)
ENCLAVE 08-12 Body Control (BCM); (LH dash)
EXPRESS 2500 VAN 08-09 Body Control (BCM); (center dash)
SAVANA 2500 VAN 10 Body Control (BCM); (center dash), 6.6L, VIN 6 (8th digit, opt LMM)
Frequently Asked Questions
Do I need to get this module programmed by a dealer?
No. We handle the programming for you. Simply provide your vehicle’s VIN during checkout, and we will flash the module with the latest GM software specific to your car before shipping. This saves you time and money.
What is a ‘core charge’?
A core charge is a deposit that is returned when you send back your old part. We do not have a core charge on this BCM, so you can keep your original module without any extra fees.
Where is the BCM located on my 2008-2013 Cadillac CTS?
The BCM is typically found on the driver’s side (LH) of the dashboard, often behind the lower trim panel near the steering column.
What if my airbag light comes on after I install this?
This can happen. It means the new BCM needs to be synchronized with the airbag system’s Sensing and Diagnostic Module (SDM). A procedure called ‘Setup SDM Primary Key in BCM’ will need to be performed by a mechanic with a professional-grade diagnostic tool to resolve this.
Will this fix my power window and lock problems?
If the BCM is the root cause of the failure, then yes. The BCM directly controls these functions, and replacing a faulty one is the correct repair for restoring their operation.
Is this compatible with other part numbers?
Yes, this module replaces a long list of GM part numbers, including 15093910, 15819552, 20815898, 22860591, 25892622, and many others listed in the product details.