Is Your Cadillac DTS Experiencing Strange Electrical Problems?
If you’re dealing with flickering interior lights, power windows with a mind of their own, a security system that won’t behave, or even a no-start condition, the culprit is often a failing Body Control Module (BCM). In my 20+ years as a diagnostic technician, I’ve seen these exact symptoms on countless GM vehicles. The BCM is the central command for your car’s comfort and convenience features, and when it fails, it can cause a cascade of frustrating electrical issues.
Just last month, a 2009 Cadillac DTS was towed to my shop. The owner was frustrated with the alarm going off randomly and the interior lights flickering. A quick scan with a professional tool pointed directly to an internal BCM faultโa common issue I’ve seen on these luxury platforms due to voltage spikes or simple component fatigue over time. This isn’t a problem you have to live with. We have the solution.
The Plug-and-Play Solution: A Pre-Programmed 2006-2011 DTS Body Control Module
Forget expensive dealership visits and the hassle of coordinating programming. This Body Control Module is the straightforward fix you’ve been looking for. We take the guesswork out of the repair by programming the module specifically for your vehicle using your VIN before we ship it. It arrives at your door loaded with the latest GM software updates, ready for installation.
- โ VIN-Programmed for Your Vehicle: We flash the module to your exact Cadillac DTS, ensuring all your factory options work correctly right out of the box.
- โ Latest GM Software: Your new BCM comes with the most current software, often resolving issues that the original factory programming had.
- โ Solves Common Failures: Puts an end to erratic behavior in your power windows, door locks, interior/exterior lighting, and security system.
- โ Direct-Fit Replacement: Guaranteed to be a perfect match for the original part, making the physical swap simple.
Expert Pro Tip from a 20-Year Veteran
Before installing your new BCM, take a moment to inspect the passenger-side A-pillar and windshield seal for any signs of water leaks. On many GM platforms, including the DTS, water intrusion is a primary cause of BCM failure. A simple water test with a hose can save you from a repeat repair down the road. A dry environment is key to a long life for any electronic module.
Simple Installation Process
While professional installation is always an option, a confident DIYer can handle this replacement. The BCM on the 2006-2011 Cadillac DTS is located on the right-hand side of the center dash, often accessible by removing the glove box.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before working on electrical components.
- Access the Module: Remove the necessary trim panels or the glove box assembly to gain clear access to the old BCM.
- Disconnect and Remove: Carefully unplug the electrical harness connectors. They have locking tabs, so be gentle. Then, unbolt the module from its mounting bracket.
- Install the New BCM: Mount your new, pre-programmed module in place and securely reconnect all electrical harnesses.
- Power Up: Reconnect the negative battery terminal.
Required Post-Installation Procedures
This is a critical step. To ensure full functionality and safety, certain systems must be re-synchronized with the new BCM. This requires a bi-directional scan tool; it is not something that can be skipped.
- Airbag System Reset: You must perform the ‘Setup SDM Primary Key in BCM’ procedure. This step is mandatory to clear the airbag warning light and ensure the safety system is operational.
- Brake Pedal Position Sensor Relearn: Some vehicles will require a recalibration of the brake pedal position sensor to ensure proper brake light operation and stability control function.
Guaranteed Compatibility
This module is a direct replacement for a wide range of GM part numbers. If your old module has any of the following numbers, this is the correct part for you:
Compatible 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
Please provide your vehicle’s VIN at checkout so we can ensure perfect programming before shipment.