Restore Control and Reliability to Your GM Truck
Are you tired of chasing electrical gremlins in your 2002 GM truck or SUV? Flickering lights, malfunctioning power windows, a security light that won’t turn off, or an intermittent no-start condition can all point to one culprit: a failing Body Control Module (BCM). As the central hub for your vehicle’s body electronics, a faulty BCM can make your reliable truck feel unpredictable. This is the direct, professional solution to restore full functionality and peace of mind.
We offer a genuine replacement Body Control Module, part number 19208544, that arrives at your door pre-programmed to your vehicle’s specific VIN. This crucial step ensures seamless integration with your truck’s existing systems, saving you from expensive dealership programming fees and complex tool requirements. Simply provide your VIN at checkout, and we handle the rest, loading the latest GM software for optimal performance. This isn’t just a part; it’s a complete, ready-to-install fix.
From the Diagnostic Bay: The Case of the Haunted Tahoe
A customer brought in his 2002 Tahoe with a list of bizarre symptoms. The radio would turn on by itself, the power locks would cycle while driving, and worst of all, it would randomly refuse to crank. He’d already replaced the battery and checked the alternator. In my shop, I’ve seen this exact pattern dozens of times. After ruling out wiring issues, I connected my scan tool. While there were no hard engine codes, a network test revealed multiple communication loss codes (U-codes) with the BCM. This confirmed the BCM was failing internally, causing network-wide disruptions. Installing a pre-programmed 2002 Suburban 1500 BCM (the same unit used in the Tahoe) immediately solved every single issue. The customer was thrilled to have his truck back, working just as it should.
Is Your GM Truck Showing These Symptoms?
A failing BCM can manifest in numerous ways. If you’re experiencing any of the following, this module is the likely solution:
- ✔ Erratic or non-functional power windows, door locks, or mirrors.
- ✔ Interior or exterior lights that flicker, stay on, or don’t work at all.
- ✔ The security or anti-theft light stays illuminated, preventing the engine from starting.
- ✔ Gauges on the instrument cluster behaving erratically or not working.
- ✔ Communication error codes (like U0140) stored in other modules.
- ✔ The radio or climate control system functions intermittently.
Your Straightforward BCM Installation Guide
Installing your new BCM is a manageable job for a confident DIYer. Located under the driver’s side of the dashboard, it’s accessible with basic hand tools.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait 10-15 minutes before beginning.
- Locate the BCM: On most of these GM models, the BCM is mounted to a bracket under the steering column. You may need to remove a lower dash panel for access.
- Disconnect and Remove: Carefully unplug the electrical connectors. They have locking tabs that need to be depressed. Once disconnected, unbolt the module from its mounting bracket.
- Install the New Module: Bolt the new, pre-programmed BCM into place. Reconnect all electrical connectors, ensuring they click securely into place.
- Reconnect and Test: Reinstall any trim panels you removed. Reconnect the negative battery terminal. Turn the key to the ‘On’ position and test all body functions—lights, locks, windows, radio, etc.—to confirm the repair.
Post-Installation Notes
In some cases, additional steps may be required after installing your new 2002 Suburban 1500 BCM. A professional scan tool may be needed for these procedures:
- Airbag System Sync: If your airbag warning light is on after installation, a ‘Setup SDM Primary Key in BCM’ procedure is necessary to sync the systems.
- Brake Pedal Position Relearn: To ensure correct brake light and traction control operation, a brake pedal position sensor recalibration might be required.
Verified Compatibility for Your GM Truck or SUV
This module is a direct replacement for service numbers 15063577, 15081857, 19208544, 15095335, DKAJ, and DPNW. It is guaranteed to fit the following 2002 models:
- ✔ 2002 Cadillac Escalade (4×4)
- ✔ 2002 Cadillac Escalade EXT
- ✔ 2002 Chevrolet Avalanche 1500 (4×4)
- ✔ 2002 Chevrolet Suburban 1500 (4×4)
- ✔ 2002 Chevrolet Tahoe (4×4)
- ✔ 2002 GMC Yukon (4×4)
- ✔ 2002 GMC Yukon XL 1500 (4×4)
Frequently Asked Questions
Why do you need my VIN?
Your VIN is essential for us to program the BCM with the correct software and vehicle-specific options from GM. This ensures the module communicates perfectly with your truck’s other computers, making the installation process as simple as possible.
Is this a plug-and-play installation?
For most vehicles, yes. Because we pre-program the unit, you can typically install it and have your vehicle running correctly. However, as noted, some vehicles may require a simple relearn procedure for the airbag or brake systems, which requires a professional scan tool.
Do I need to return my old BCM?
No. This purchase comes with no core charge. You can keep your original module, saving you the time and expense of a return shipment.
What tools are required for installation?
Basic hand tools are all that’s needed for the physical installation, typically a socket set and a screwdriver or trim removal tool to access the lower dash panel. No special programming tools are required on your end.
What does the BCM actually do?
The Body Control Module acts as the central computer for your vehicle’s body electronics. It controls functions not related to the engine, such as power windows, locks, interior lighting, the security system, wipers, and the radio.