Restore Full Functionality to Your Cadillac Escalade
Are you battling frustrating electrical issues in your 2003-2006 Cadillac Escalade? Intermittent wipers, a dead climate control panel, or power windows with a mind of their own are classic signs of a failing Body Control Module (BCM). As the central command for your vehicle’s comfort and convenience features, a faulty BCM can make your luxury SUV feel unreliable. This direct-replacement Body Control Module, part number 15137394, is the definitive solution, arriving pre-programmed to your vehicle’s specific VIN for a true plug-and-play repair.
Case Study: A Tricky Diagnosis
I remember a 2005 Escalade ESV that came into my shop with a laundry list of seemingly unrelated problems: the radio would cut out, the driver’s side window wouldn’t go down, and the security light was flashing, causing a no-start condition every few days. The owner had already replaced the battery and checked fuses. After hooking up my scanner, I saw a handful of communication codes pointing to the BCM. These modules are notorious for failing from voltage spikes or internal circuit board corrosion. We installed a VIN-programmed 2003-2006 Escalade BCM, and within 10 minutes, every single issue was resolved. It’s a common failure, but thankfully, an easy fix with the right part.
Is Your Escalade Showing These Electrical Gremlins?
A failing BCM doesn’t always trigger a check engine light. Instead, it creates a host of confusing symptoms. If you’re experiencing any of the following, your BCM is the likely culprit:
- ✔ Power windows, door locks, or interior lights operating erratically or not at all.
- ✔ The HVAC system is unresponsive, or the blower motor works intermittently.
- ✔ Your vehicle’s security system malfunctions, leading to a no-start condition or false alarms.
- ✔ The airbag warning light is illuminated, often with a Diagnostic Trouble Code (DTC) like B1001.
- ✔ Wipers that won’t turn on, off, or park in the correct position.
- ✔ A cluster of seemingly random communication or body-related DTCs.
Your 5-Minute Path to a Perfect Fix
One of the best features of this module is its simple, straightforward installation. You don’t need a professional lift or complex tools—just a few minutes in your own driveway. This is the hassle-free way to replace your 2003-2006 Escalade BCM.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work. This prevents short circuits and helps reset the vehicle’s systems.
- Locate the Old BCM: On most 2003-2006 Escalade models, the BCM is located under the driver’s side dashboard, near the steering column. It’s a black plastic box with several large wiring connectors.
- Swap the Modules: Carefully unplug the wiring harnesses from the old BCM. The connectors have release tabs that you’ll need to press. Remove the old module (it may be held by clips or small bolts) and install the new one in its place.
- Reconnect and Test: Securely plug the wiring harnesses into your new, pre-programmed BCM. Reconnect the battery terminal. Start your vehicle and test all functions: windows, locks, lights, wipers, and HVAC to confirm the repair was successful.
- Post-Installation Checks: In some cases, an airbag light may persist. This requires a ‘Setup SDM Primary Key’ procedure with a professional scan tool. A brake pedal position relearn may also be needed. These are not always required but are good to be aware of.
Verified Fitment for Your GM Vehicle
This module is engineered to OEM specifications for a perfect fit and function. While this page focuses on the 2003-2006 Escalade BCM, this part is also a direct replacement for a wide range of GM trucks and SUVs. It is interchangeable with part numbers 10383536, 15116066, 15136225, 15136877, 15137393, 15137395, 15198116, and more. Key compatible models include:
- ✔ Cadillac Escalade, ESV, EXT (2003-2006)
- ✔ Chevrolet Avalanche, Silverado, Suburban, Tahoe (2003-2007)
- ✔ GMC Sierra, Yukon, Yukon XL (2003-2007)
- ✔ Hummer H2 (2003-2007)
- ✔ Chevrolet Express & GMC Savana Vans (2004-2007)
Frequently Asked Questions
What exactly does ‘VIN Programmed’ mean for me?
It means we flash the module with your vehicle’s unique Vehicle Identification Number (VIN) and the latest GM software before we ship it. This ensures it communicates perfectly with your Escalade’s other computers right out of the box, eliminating the need for an expensive programming appointment at a dealership.
Do I need any special tools for installation?
No, for most installations, basic hand tools like a socket or screwdriver to access the BCM under the dash are all you need. The module itself typically uses simple clips and plug-in connectors.
What if the airbag light is on after I install the new BCM?
This can happen occasionally. It means the new BCM needs to be electronically ‘introduced’ to the airbag’s computer (SDM). This is a simple procedure called ‘Setup SDM Primary Key in BCM’ that can be performed by any professional mechanic with a bi-directional scan tool.
Is there a core charge for my old part?
No, there is absolutely no core charge. You can keep your old module or dispose of it without any hassle or need to send it back to us.
Will this fix my no-start problem?
If your no-start issue is caused by the factory security system (Passlock/Passkey) being controlled by a faulty BCM, then yes, this module is designed to resolve that problem.