Restore Your Cadillac’s Electrical System with a Plug-and-Play Solution
Are you dealing with frustrating and unpredictable electrical issues in your Cadillac CTS? Flickering lights, malfunctioning power windows or locks, and strange warning messages on the dash are classic signs of a failing Body Control Module (BCM). The BCM acts as the central hub for your vehicle’s body electronics, and when it starts to fail, it can make your car feel unreliable. This isn’t just an annoyance; it’s a matter of functionality and safety. We offer a dependable, pre-programmed 2008-2013 CTS Body Control Module that solves these problems without the exorbitant cost and hassle of a dealership visit.
Forget about towing your car to a service center and waiting for expensive programming. We handle the critical software flashing for you. Simply provide your vehicle’s VIN during checkout, and our technicians will load the latest, most stable GM software specific to your car onto the module. When it arrives at your door, it’s ready for a straightforward installation, getting you back on the road quickly and confidently.
A Technician’s Notebook: The Case of the Haunted CTS
A few months back, a 2011 Cadillac CTS was brought into my bay with a list of symptoms that sounded like something out of a ghost story. The owner complained of interior lights pulsing, the radio changing stations on its own, and the security light randomly flashing, sometimes preventing the car from starting. He had already replaced the battery, but the problems persisted. A scan showed a slew of communication error codes (U-codes), pointing to a network issue. After checking the main power and ground connections, my experience immediately pointed to the BCM. These modules are the traffic cops for dozens of electronic signals. When they fail internally, they send out corrupted data, causing chaos across the vehicle’s network. We installed one of our pre-programmed BCMs, and in under an hour, every single ghost was gone. It’s a prime example of how a single component can be the root of so many perplexing issues.
Is Your Vehicle Showing These Symptoms?
A failing BCM can manifest in numerous ways. If you’re experiencing any of the following, this module is the likely solution:
- ✔ Intermittent or non-working power windows, door locks, or mirrors.
- ✔ Interior or exterior lights that flicker, stay on, or don’t work at all.
- ✔ Erratic instrument cluster behavior, including faulty gauges or warning lights (like the security light).
- ✔ The vehicle’s security system preventing the engine from starting.
- ✔ Remote keyless entry (fob) not working correctly.
- ✔ Diagnostic trouble codes (DTCs) related to communication errors, such as U0140, U0155, or other U-codes.
Your Straightforward Installation Guide
Installing your new 2008-2013 CTS Body Control Module is a manageable task for a DIY enthusiast. For the 2008-2013 CTS, 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 to ensure all systems are powered down.
- Locate the BCM: On the CTS, you’ll generally find the BCM behind the lower dash panel on the driver’s side, near the steering column. You may need to remove a trim panel for access.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. They have locking tabs that need to be depressed. Once disconnected, unbolt or unclip the module from its mounting bracket.
- Install the New Module: Mount your new, pre-programmed BCM in the same location and securely reconnect all electrical connectors.
- Reconnect and Test: Reconnect the negative battery terminal. Start the vehicle and test all body functions—lights, locks, windows, radio, etc.—to confirm the repair.
Important Post-Installation Information
Because this module is central to many systems, a couple of additional steps may be required after installation, depending on your vehicle’s specific configuration.
- Airbag System Sync: If your airbag warning light is illuminated after installation, a simple procedure called ‘Setup SDM Primary Key in BCM’ must be performed with a compatible professional scan tool. This syncs the new BCM with the airbag system.
- Brake Pedal Position Relearn: Some models may require a brake pedal position sensor relearn to ensure proper operation of the brake lights and traction control system. This is also done with a professional-grade scan tool.
- No Core Charge: We make it simple. There’s no need to send your old, faulty module back to us. Keep it, recycle it, or dispose of it as you see fit.
Disclaimer: While this is a direct-fit part, procedures can vary slightly. Always refer to a factory service manual for your specific vehicle if you are unsure about any step.
Guaranteed Vehicle Compatibility
This BCM is a direct replacement for a wide range of GM vehicles and part numbers, ensuring broad compatibility. It is programmed specifically for your 2008-2013 CTS Body Control Module but also fits the following models. Please verify your vehicle is on the list.
This module replaces the following part numbers: 10382479, 15093910, 15276271, 15299986, 15819552, 15828601, 15837419, 15872388, 15872421, 15880684, 15921352, 15921353, 15948438, 15948439, 20815898, 20839063, 20864767, 20864768, 20921435, 20921436, 20935349, 22860591, 25826124, 25826125, 25847588, 25847589, 25892622, 25910474, 25934762, 25934763, 95151084
AVALANCHE 1500 10
CAPRICE 11-13
CAPTIVA SPORT 12
CTS 08-13
DTS 06-11
ENCLAVE 08-12
EQUINOX 07-09
ESCALADE 10
ESCALADE ESV 10
ESCALADE EXT 10
EXPRESS 1500 VAN 08-12
EXPRESS 2500 VAN 08-12
EXPRESS 3500 VAN 08-12
G8 08-09
HUMMER H2 08-09
IMPALA 06-13
LUCERNE 06-11
MONTE CARLO 06-07
OUTLOOK 07-10
SAVANA 1500 VAN 08-12
SAVANA 2500 VAN 08-12
SAVANA 3500 VAN 08-12
SRX 07-09
STS 10
SUBURBAN 1500 10
TAHOE 10
TORRENT 07-09
TRAVERSE 09-12
VUE 08-10
YUKON 10
YUKON XL 1500 10
Frequently Asked Questions
Frequently Asked Questions
Do I need to do any programming myself?
No. We program the module to your car’s VIN before shipping. It arrives ready for installation, saving you a trip to the dealership.
What does ‘No Core Charge’ mean?
It means you do not have to send your old, faulty BCM back to us. The price you pay is the final price, with no hidden fees or deposits.
Is this a difficult part to install for a DIYer?
For most individuals with basic mechanical skills, this is a very manageable job. It involves removing a dash trim panel and swapping the module. No special tools are typically required for the physical replacement.
What if the airbag light comes on after I install it?
This is a known possibility. The new BCM needs to be electronically ‘introduced’ to the airbag system. A repair shop with a professional scan tool can perform the ‘Setup SDM Primary Key in BCM’ procedure in a few minutes to resolve this.
How do I provide my VIN?
After you complete your purchase, you will receive instructions on how to send us your vehicle’s 17-digit VIN. We cannot program and ship your module without it.