Restore Your Cadillac’s Functionality and Peace of Mind
Is your 2010 Cadillac STS experiencing a baffling array of electrical issues? From power windows that have a mind of their own to interior lights flickering or a security system that won’t cooperate, the culprit is often a failing Body Control Module (BCM). As the central command for your vehicle’s body electronics, a faulty BCM can turn your driving experience into a frustrating guessing game. This isn’t just an inconvenience; it can affect vehicle security and safety. This replacement 2010 STS Body Control Module is the definitive, hassle-free solution to restore order.
From the Diagnostic Bay: The Case of the Cadillac Ghost
I remember a 2010 STS that rolled into my shop last year. The owner was at his wit’s end. The radio would randomly shut off, the dome light would stay on, and occasionally, the car wouldn’t start, showing a ‘Service Theft System’ message. He’d already replaced the battery and checked the fuses. After connecting my scan tool, I saw a storm of communication errors (U-codes) pointing to the BCM. Instead of a costly trip to the dealer for a new module and programming, we ordered a VIN-programmed unit like this one. The installation took less than an hour, and because it arrived pre-configured, the car started right up with all systems functioning perfectly. It’s a repair that saves time, money, and a massive headache.
Is Your Vehicle Showing These Symptoms?
A failing BCM doesn’t always trigger a check engine light. Instead, look for these common signs of failure, which I’ve seen countless times over my 20+ years in the bay:
- ✔ Intermittent or non-functional power windows, door locks, or mirrors.
- ✔ Erratic interior or exterior lighting (e.g., lights staying on or not turning on at all).
- ✔ The security system light is illuminated, or the alarm randomly triggers.
- ✔ Problems with the keyless entry remote or push-to-start system.
- ✔ Communication error codes stored in the system, such as U0140, U0155, or other U-series codes.
- ✔ A no-start condition where the engine cranks but won’t fire up due to a security fault.
The Smart Solution: VIN-Programmed and Ready for Installation
The biggest hurdle in replacing a BCM has always been the expensive programming required afterward. We eliminate that step completely. When you purchase this module, you simply provide us with your vehicle’s VIN. Our technicians will then flash the BCM with the latest GM-certified software specific to your 2010 STS. It arrives at your door ready to be installed, saving you a trip to the dealership and avoiding hundreds in programming fees. Plus, with a no-core-charge policy, you can keep your old part without any extra hassle.
A Straightforward Guide to Your BCM Installation
For the confident DIYer or professional mechanic, swapping the BCM is a manageable job. In the 2010 Cadillac STS, the BCM is typically located in the center dash area.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before beginning any electrical work.
- Locate the Module: Access the BCM by removing the necessary trim panels around the center dash or console area. Consult a service manual for precise panel removal instructions.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. Note their orientation. Then, unbolt the module from its mounting bracket and remove it.
- Install the New BCM: Mount your new, pre-programmed BCM in the same location and securely fasten it. Reconnect all electrical connectors to their correct ports.
- Reconnect Power: Reattach the negative battery terminal.
- Post-Installation Checks: Start the vehicle and test all body functions—windows, locks, lights, radio, etc. As noted below, some vehicles may require a simple relearn procedure for specific systems like the airbag or brake pedal sensor.
Important Post-Installation Notes: While this module is programmed for your VIN, certain vehicle systems may require synchronization after installation. This is a normal part of the process.
- Airbag System Sync: If the airbag warning light is on after installation, a ‘Setup SDM Primary Key in BCM’ procedure is needed. This requires a professional-grade scan tool to sync the systems.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor relearn may be necessary to ensure correct brake light and traction control operation.
Disclaimer: Vehicle systems vary. Always refer to a factory service manual or consult a qualified technician if you are unsure about any step.
Will This Fit My Vehicle?
This Body Control Module is a direct replacement for a wide range of GM vehicles. Please verify your vehicle is on the list below and that your original part number matches one of the numbers provided.
This module is a confirmed fit for the 2010 Cadillac STS (located in the center dash).
It also 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.
This part will fit these makes and models with these options:
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
What does ‘VIN Programmed’ mean for me?
It means we load the module with your car’s specific software using your Vehicle Identification Number (VIN) before we ship it. This allows for a simple installation without needing a trip to the dealer for expensive programming.
Do I need to send my old BCM back?
No. This part comes with no core charge. You can keep your original module, which can be helpful for double-checking part numbers or for your own records.
How do I provide my VIN number?
After you complete your purchase, you will need to send us a message with your vehicle’s 17-digit VIN. We cannot program and ship your module without it.
Is this a difficult part to install myself?
For someone with moderate mechanical experience, it is a straightforward process. The main challenge is typically accessing the module behind the dashboard panels. If you are not comfortable with this, we recommend professional installation.
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’s computer (SDM). A repair shop with a capable scan tool can perform the ‘Setup SDM Primary Key in BCM’ procedure to resolve this.