Is Your Cadillac CTS Acting Possessed?
If your 2008-2013 Cadillac CTS is suddenly plagued by bizarre electrical gremlins—flickering interior lights, power windows with a mind of their own, a security system that won’t cooperate, or even a frustrating no-start condition—the culprit is very often a failing Body Control Module (BCM). As the central nervous system for your vehicle’s body electronics, when the BCM goes down, it can cause a cascade of confusing and annoying problems.
A Technician’s Real-World Experience
“A customer’s 2011 CTS came into the shop last week with the radio and interior lights flickering randomly. The owner had already replaced the battery, but the problem persisted. A quick scan with my diagnostic tool showed multiple communication errors all pointing straight to a faulty BCM. This is a classic failure mode I’ve diagnosed on dozens of these GM platforms. Don’t waste money chasing ghosts; a faulty BCM is the root cause more than 90% of the time for these specific symptoms.”
The Simple, Dealer-Free Solution: A Pre-Programmed 2008-2013 CTS BCM
Forget the expensive trip to the dealership and the days of waiting for an appointment. This Body Control Module, part number 25910474, is the direct, effective solution you need. We take all the hassle out of the repair by pre-programming the module to your specific vehicle using your VIN. It arrives at your door loaded with the latest GM software, ready for a straightforward installation.
Key Problems Solved by This BCM:
- ✔ Erratic or non-functional interior and exterior lights
- ✔ Power windows, locks, or mirrors not working correctly
- ✔ Vehicle security system faults or alarm going off randomly
- ✔ Intermittent no-start or no-crank conditions
- ✔ Radio, climate control, and other accessory malfunctions
- ✔ False warning messages on the instrument cluster
Plug-and-Play Installation: Get Your CTS Back to Normal
Installing your new BCM is a manageable job for a confident DIYer. The BCM on the 2008-2013 CTS is typically located on the left-hand (driver’s) side of the dashboard.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before working on any electronic components.
- Locate the BCM: On the CTS, you’ll find it under the driver’s side dash, often near the steering column. You may need to remove a lower dash panel for access.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old module. Note their orientation. Then, unbolt or unclip the module from its mounting bracket.
- Install the New Module: Mount the new, pre-programmed BCM in the same location and securely reconnect all electrical connectors.
- Reconnect Battery: Reattach the negative battery terminal.
Important Post-Installation Steps
After installing your new BCM, a couple of final procedures are necessary to ensure all vehicle systems communicate correctly. This is a critical step for safety and full functionality.
- Airbag System Reset: The ‘Setup SDM Primary Key in BCM’ procedure must be performed with a compatible high-end diagnostic scan tool. This re-establishes communication between the BCM and the airbag system, clearing the airbag warning light.
- Brake Pedal Position Sensor Relearn: Some vehicles require a brake pedal position sensor recalibration. This ensures the brake lights and stability control system function as intended. This is also performed with a scan tool.
Note: If you are not equipped with a professional-grade scan tool capable of these functions, a local independent repair shop can typically perform these relearn procedures for you quickly.
Guaranteed Compatibility
This module is a direct replacement for a wide range of GM part numbers. If your original module has any of the following numbers, this is the correct part for you: 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.
While this part fits many GM vehicles including the Acadia, Enclave, Traverse, Impala, and various trucks and vans, this listing is specifically for the 2008-2013 Cadillac CTS. Simply provide your VIN at checkout, and we’ll handle the rest.