Are you battling frustrating and unpredictable electrical problems in your 2002 GM truck or SUV? Flickering lights, unresponsive power windows, a security system that acts up, or phantom warning messages can make driving a nightmare. These are classic signs of a failing Body Control Module (BCM). This isn’t just an inconvenience; it’s a core issue that affects your vehicle’s comfort, security, and functionality. Stop chasing electrical gremlins and get the definitive solution with our pre-programmed BCM, designed to restore your vehicle to perfect working order.
Common Symptoms & Your Solution
If your vehicle is experiencing any of the following, a failing BCM is the most likely culprit:
- Power windows, door locks, or mirrors working intermittently or not at all.
- Interior lights or dashboard lights flickering or staying on.
- The security system randomly engaging, preventing the vehicle from starting.
- Erratic behavior from the radio or climate control systems.
- False warning lights on the instrument cluster, such as “Service 4WD”.
This replacement unit is the reliable, straightforward fix. We take the guesswork out of the repair by programming this 2002 Tahoe body control module to your vehicle’s specific Vehicle Identification Number (VIN) before it ships. This means it arrives ready for installation, saving you a costly and time-consuming trip to the dealership for programming.
Features & Benefits
- โ Ready for Installation: Arrives programmed to your vehicle’s specific VIN, eliminating the need for expensive dealership programming.
- โ Updated & Reliable: Flashed with the newest software updates from GM to ensure optimal performance and correct known factory issues.
- โ Guaranteed Compatibility: A direct replacement for service numbers 15063577, 15081857, 19208544, 15095335, DKAJ, and DPNW, ensuring a perfect fit for your Tahoe, Yukon, Escalade, Suburban, or Avalanche.
- โ Simple & Convenient: No core charge means you can keep your old part without the hassle or expense of shipping it back.
- โ Drive with Confidence: This unit is backed by our one-year replacement warranty.
An Expert’s Diagnostic Tip
“Before condemning your BCM, always perform a full vehicle health check. Start with the basics: ensure your battery is fully charged and the terminals are clean and tight. A weak battery or poor ground connections can mimic BCM failure. Check the main ground straps from the engine to the chassis and the body. If your power systems are still acting erratically after confirming solid voltage and grounds, you can be confident that the 2002 Tahoe body control module is the source of the problem. This pre-programmed unit is the fastest way to get your truck back to being the reliable workhorse you depend on.”
Important Post-Installation Information
To ensure a smooth and complete repair, please be aware of the following procedures that may be required after you install the new BCM. These steps help sync the new module with your vehicle’s other systems.
- Airbag System Sync: If the airbag warning light is illuminated after installation, a procedure called “Setup SDM Primary Key in BCM” must be performed. This requires a professional-grade scan tool to sync the BCM with the airbag system and clear the light.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration may be necessary. This ensures your brake lights function correctly and the traction control system operates as designed.
Disclaimer: Specific procedures can vary. Always consult a factory service manual or a qualified technician for guidance.
Frequently Asked Questions
What does a Body Control Module do?
The BCM is the central computer for your vehicle’s body electronics. It controls non-engine-related functions like power windows, locks, interior and exterior lighting, security systems, and climate controls. When it fails, these systems can become unreliable.
Is this BCM difficult to install?
The physical installation is straightforward for a DIYer with basic tools. The BCM is typically located under the steering column. The main benefit of our unit is that it comes pre-programmed, which is the most difficult part of the job. However, as noted, some post-installation electronic procedures with a scan tool may be required.
How do I provide my VIN?
After you complete your purchase, you will need to send us your 17-digit Vehicle Identification Number (VIN). We will provide clear instructions on how to do this. We cannot program and ship your module without it.
Will I need any special tools for the follow-up procedures?
The potential Airbag System Sync and Brake Pedal Position Relearn procedures require a high-level, bi-directional scan tool. Most basic code readers cannot perform these functions. If you do not have access to one, a local independent repair shop can perform these recalibrations for you.
What happens if my airbag light stays on after installation?
This is expected on some vehicles. The light indicates that the new BCM needs to be electronically ‘introduced’ to the airbag’s computer (SDM). Performing the “Setup SDM Primary Key in BCM” procedure with a proper scan tool will resolve this and turn off the light.
Is this the correct 2002 Tahoe body control module for my 4×4 Yukon/Suburban/Escalade?
Yes, this BCM is compatible with the 2002 4×4 models of the Yukon, Yukon XL 1500, Tahoe, Suburban 1500, and Escalade, as well as the Escalade EXT and Avalanche 1500 4×4. It is a direct fit for the specified service numbers.