Restore Your Truck’s Electrical System with a Plug-and-Play BCM
Is your 2002 GM truck or SUV suffering from bizarre electrical problems? Flickering dash lights, power windows with a mind of their own, or a security system that prevents your vehicle from starting can all point to a failing Body Control Module (BCM). As the central hub for your vehicle’s body electronics, a faulty BCM can create a cascade of frustrating issues. This is a direct-replacement 2002 Tahoe BCM, professionally programmed with the latest GM software updates specifically for your vehicle. Simply provide your VIN at checkout, and we’ll handle the programming, saving you a costly trip to the dealership.
Common Signs of a Failing BCM
- ✔ Erratic or non-functional power windows, door locks, and interior lighting.
- ✔ The security or anti-theft light stays on, often causing a no-start condition.
- ✔ Inconsistent operation of the horn, windshield wipers, or radio.
- ✔ False warning lights appearing on the instrument cluster.
- ✔ Diagnostic trouble codes (DTCs) related to communication loss, such as U-codes (e.g., U0140, U0155) or internal module errors.
From the Diagnostic Bay
I remember a 2002 Suburban that came into my shop with a classic BCM failure. The owner was fed up. One day the windows wouldn’t roll down, the next the radio wouldn’t turn off even with the key out, and sometimes it just wouldn’t start. He’d already replaced the battery and checked the alternator. After hooking up my scan tool, I saw a slew of communication errors all pointing back to the BCM. These modules are notorious for internal solder joint failures over time, causing these exact intermittent gremlins. Installing a pre-programmed BCM like this one resolved all his issues in under an hour, without the vehicle ever having to see a dealership programming tool.
A Straightforward Guide to Installation
- ✔ Safety First: Disconnect the negative terminal from your vehicle’s battery to prevent any electrical shorts.
- ✔ Locate the BCM: On most of these GM models, the BCM is located under the driver’s side of the dashboard, near the steering column. It’s a black plastic box with several large electrical connectors.
- ✔ Disconnect and Remove: Carefully unplug the electrical connectors. They have locking tabs that need to be depressed. Once disconnected, unbolt or unclip the old BCM from its mounting bracket.
- ✔ Install the New Module: Mount your new, pre-programmed BCM in the same location. Securely plug in all the electrical connectors, ensuring they click into place.
- ✔ Reconnect Power: Reconnect the negative battery terminal. The vehicle is now ready to start.
Important Post-Installation Notes
While this 2002 Tahoe BCM is delivered ready for installation, some vehicles may require additional steps to sync with other onboard systems. Please be aware of the following possibilities:
- Airbag System Sync: If the airbag warning light is illuminated after installation, a ‘Setup SDM Primary Key in BCM’ procedure is necessary. This requires a professional-grade scan tool to sync the BCM with the airbag module and clear the light.
- Brake Pedal Position Relearn: On certain models, a brake pedal position sensor relearn may be needed to ensure correct brake light operation and to prevent issues with the traction control system.
Verified Vehicle Compatibility
This Body Control Module is a guaranteed fit for the following 2002 models. It is a direct replacement for service part numbers 15063577, 15081857, 19208544, 15095335, DKAJ, and DPNW.
- 2002 Chevrolet Tahoe (4×4)
- 2002 Chevrolet Avalanche 1500 (4×4)
- 2002 Chevrolet Suburban 1500 (4×4)
- 2002 GMC Yukon (4×4)
- 2002 GMC Yukon XL 1500 (4×4)
- 2002 Cadillac Escalade (4×4)
- 2002 Cadillac Escalade EXT
Frequently Asked Questions
How do I provide my VIN for programming?
After you complete your purchase, you will receive instructions to reply with your 17-digit Vehicle Identification Number (VIN). We cannot ship your module until we receive this information.
Is this a simple plug-and-play installation?
Yes, for most functions. Because we program it to your VIN, it will control the basic functions like power windows, locks, and allow the vehicle to start upon installation. However, as noted, some vehicles may require an airbag or brake sensor sync with a scan tool.
Do I need to return my original BCM?
No. This purchase comes with no core charge. You can keep your original module.
What happens if my airbag light comes on?
This means the new BCM needs to be electronically introduced to the airbag system. A mechanic with a bi-directional scan tool can perform the ‘Setup SDM Primary Key’ procedure in a few minutes to turn off the light.
Will this fix my no-start problem?
If your no-start issue is caused by the factory anti-theft system being triggered by a faulty BCM, then this part is the correct solution. Our VIN programming ensures it matches your vehicle’s security credentials.