Are you battling bizarre electrical problems in your Cadillac Escalade ESV? Flickering lights, unresponsive power windows, or a security system that has a mind of its own are common signs of a failing Body Control Module (BCM). The BCM is the central command for your vehicle’s body electronics, and when it fails, it can cause a cascade of frustrating issues. This OEM-quality replacement BCM, part number 15136225, is the definitive solution to restore your luxury SUV’s full functionality and reliability.
We take the guesswork and hassle out of the repair process. Each module is expertly pre-programmed to your vehicle’s specific VIN before shipping. This means no expensive trips to the dealership for programming—it arrives ready for a true plug-and-play installation. Simply provide your VIN at checkout, and we’ll handle the rest, ensuring all systems communicate perfectly from the moment you connect it.
Expert Pro Tip
Expert Pro Tip
Always disconnect the negative battery terminal for at least 15 minutes before swapping your BCM. This not only prevents accidental electrical shorts but also helps clear any lingering fault codes from the vehicle’s memory, ensuring a smoother post-installation process and giving the new module a clean slate to work with.
Common Symptoms of a Failing Escalade BCM
- ✔ Power windows, door locks, or mirrors operating intermittently or not at all.
- ✔ Interior dome lights or exterior lamps staying on or not turning on.
- ✔ Malfunctioning HVAC controls, including an inoperative blower motor or incorrect temperature blending.
- ✔ An active airbag warning light, often accompanied by diagnostic trouble code (DTC) B1001.
- ✔ Vehicle security system faults, leading to no-start conditions or random alarm activation.
- ✔ Erratic behavior from the windshield wipers or radio controls.
Installation and Post-Install Notes for Your 2003-2006 Escalade ESV BCM
Replacing the BCM in your Escalade is a straightforward job for a DIYer or professional mechanic. The module is typically located under the driver’s side dashboard, near the steering column. The physical swap usually takes just a few minutes. While our VIN programming handles the majority of the setup, some vehicles may require a simple relearn procedure after installation.
Specifically, if the airbag warning light remains illuminated, a technician will need to perform the ‘Setup SDM Primary Key in BCM’ procedure using a professional scan tool. This syncs the new BCM with the airbag system. In some cases, a ‘Brake Pedal Position Relearn’ may also be needed to ensure proper brake light and traction control function. This part is a direct replacement for multiple part numbers, including 15116066, 15136225, 15198116, and others listed in the fitment guide.
Frequently Asked Questions
Expert Pro Tip
Always disconnect the negative battery terminal for at least 15 minutes before swapping your BCM. This not only prevents accidental electrical shorts but also helps clear any lingering fault codes from the vehicle’s memory, ensuring a smoother post-installation process and giving the new module a clean slate to work with.