Are you battling frustrating electrical problems in your 2002 Chevrolet Avalanche or other compatible GM truck? A failing Body Control Module (BCM) is often the culprit behind a host of issues that can seem random and difficult to diagnose. From flickering lights and malfunctioning power accessories to security system faults that prevent your truck from starting, a faulty BCM can disrupt your vehicle’s core functions. This replacement BCM is the definitive solution, arriving pre-programmed with the latest GM software specifically for your vehicle’s VIN.
Common Symptoms of a Failing BCM
- ✔ Intermittent or non-working power windows, door locks, or mirrors.
- ✔ Erratic behavior from interior or exterior lights (e.g., dome light stays on, headlights flicker).
- ✔ The security or anti-theft system light is illuminated, potentially causing a no-start condition.
- ✔ Dashboard warning lights like “Service Vehicle Soon” appear without a clear cause.
- ✔ Radio, climate controls, or other dash functions work sporadically or not at all.
- ✔ False readings on the instrument cluster gauges.
The Simple, Reliable Solution for Your 2002 Avalanche BCM
Don’t let electrical gremlins sideline your truck. This Body Control Module is a direct-fit replacement for a wide range of GM trucks and SUVs, including the 2002 Avalanche 1500. We take the guesswork and hassle out of the repair process. Simply provide us with your vehicle’s VIN during checkout, and our technicians will flash the module with the most current GM factory software for your specific vehicle. This ensures seamless integration and restores full functionality to your vehicle’s body systems. No expensive trips to the dealership for programming are required.
This module is a direct replacement for part numbers: 15063578, 15081796, 15095334, 19208537, DKAK, DPNU.
Post-Installation Information
While this module is designed for straightforward installation, some vehicles may require additional steps to ensure all systems communicate correctly. Please be aware of the following potential procedures:
- Airbag System Sync: If your airbag warning light is on after installation, 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 your vehicle’s existing airbag system.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration might be necessary to ensure correct brake light operation and to satisfy the traction control system.
We believe in keeping your repair costs down, which is why there is no core charge for this part. You can keep your old module.
Frequently Asked Questions
Do I need to program this 2002 Avalanche BCM?
No. We handle all the programming for you before we ship the part. Just provide your vehicle’s VIN at checkout, and it will arrive ready to be installed.
Where is the BCM located on my 2002 GM truck?
On most models like the Silverado, Sierra, Tahoe, and Avalanche, the BCM is located under the steering column, behind the driver’s side lower dash panel. On vans like the Astro and Safari, it’s typically found behind the center dash area.
What happens if the airbag light comes on after I install it?
This indicates the new BCM needs to be synced with the airbag’s Supplemental Deployment Module (SDM). A qualified technician with a high-level diagnostic tool can perform the ‘Setup SDM Primary Key in BCM’ procedure to resolve this.
Is this a difficult part to replace myself?
For many with basic mechanical skills, this is a manageable DIY repair. It typically involves removing a few dash panels to access and unbolt the module. However, due to the potential need for post-installation electronic procedures, professional installation is always recommended if you are not comfortable with vehicle electronics.
How do I know for sure my BCM is the problem?
The symptoms listed are strong indicators of BCM failure. The most certain way to confirm is with a professional diagnosis using a scan tool that can check for communication errors with the BCM (U-codes) and test its functions directly.