Is Your 2002 GM Truck Plagued by Electrical Gremlins?
Are you dealing with flickering lights, a malfunctioning radio, or power windows with a mind of their own? These frustrating and seemingly random electrical issues in your 2002 Yukon XL, Tahoe, Escalade, or other compatible GM truck are often caused by a single component: a failing Body Control Module (BCM). The BCM acts as the central command center for your vehicle’s body electronics, and when it starts to fail, it can create a cascade of confusing problems. Don’t let a faulty module sideline your truck. This direct-fit replacement BCM, part number 19208544, is the definitive solution to restore order and reliability to your vehicle’s systems.
We had a 2002 Avalanche 1500 come in that was driving the owner crazy. The security light would flash randomly, preventing it from starting, and the interior lights would stay on, draining the battery. After checking all the usual suspects like wiring and grounds, we isolated the issue to the BCM. It was sending erratic signals across the network. Swapping in a VIN-programmed BCM like this one solved every single issue in one go. The customer was thrilled to have his reliable truck back without a costly trip to the dealership.
Common Symptoms of a Failing BCM
- ✔ Erratic power windows, door locks, or mirrors that work intermittently.
- ✔ The security or anti-theft system light stays on, or the vehicle won’t start.
- ✔ Interior dome lights or dashboard lights flicker or fail to turn off.
- ✔ Climate control and A/C functions are unresponsive or behave incorrectly.
- ✔ The radio or entertainment system powers on and off by itself.
- ✔ False warning messages like “Service 4WD” appear on the dash.
- ✔ Horn honks unexpectedly or doesn’t work at all.
The Plug-and-Play Solution: Programmed to Your VIN
Replacing a BCM isn’t just about swapping hardware. A new module must be programmed to your vehicle’s specific Vehicle Identification Number (VIN) to communicate with other computers like the ECU and instrument cluster. Our service eliminates the need for expensive dealership programming tools. Simply provide us with your VIN after purchase, and we will flash this module with the latest, most stable GM software updates specific to your truck. This ensures a seamless installation and proper function right out of the box.
Installation and Post-Install Procedures for your 2002 Yukon XL BCM
This BCM is located under the steering column for easy access. While the physical installation is straightforward, some simple electronic relearn procedures may be necessary to ensure all systems are synchronized after the new module is installed.
- Airbag System Sync: In some cases, the airbag warning light may illuminate after installation. This indicates the new BCM needs to be electronically introduced to the airbag’s Sensing and Diagnostic Module (SDM). A professional scan tool is required to perform the ‘Setup SDM Primary Key in BCM’ procedure to clear the light.
- Brake Pedal Position Relearn: A brake pedal position sensor recalibration might be needed to ensure your brake lights function correctly and the traction control system operates as intended. This is a simple procedure that can often be done with a capable diagnostic tool.
Please note: Specific procedures can vary. Always consult a factory service manual or a qualified technician for guidance.
Vehicle and Part Number Compatibility
This Body Control Module is a direct replacement for multiple service numbers, including 15063577, 15081857, 19208544, 15095335, DKAJ, and DPNW. It is designed to fit the following 2002 models:
- GMC Yukon (4×4)
- GMC Yukon XL 1500 (4×4)
- Chevrolet Tahoe (4×4)
- Chevrolet Suburban 1500 (4×4)
- Chevrolet Avalanche 1500 (4×4)
- Cadillac Escalade (4×4)
- Cadillac Escalade EXT
Frequently Asked Questions
What is a BCM and what does it do?
The Body Control Module (BCM) is a computer in your vehicle responsible for managing and controlling electronic accessories that are not related to the engine. This includes power windows, locks, lights, the security system, climate controls, and the radio.
Is this BCM truly plug-and-play?
Yes, because we program it to your specific VIN before shipping, it is designed to be a plug-and-play installation. However, as noted in the description, some vehicles may require minor post-installation relearn procedures for systems like the airbags or brake pedal sensor.
Where do I find my vehicle’s VIN?
Your 17-digit VIN can be found on your vehicle’s registration, insurance card, or on a plate on the driver’s side dashboard visible through the windshield. It is also often found on a sticker in the driver’s side door jamb.
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.
What happens if the airbag light comes on after I install it?
If the airbag light is on, it means the new BCM needs to be synced with the airbag system’s computer (SDM). This requires a ‘Setup SDM Primary Key in BCM’ procedure, which must be performed by a repair shop or technician with a professional-grade diagnostic tool.