2002

Restore Your Truck’s Electrical System!

Tired of flickering lights or failing power windows? This Body Control Module is the solution. It arrives pre-programmed to your truck’s VIN for a simple, plug-and-play installation, eliminating a costly trip to the dealer. Fix your GM’s electrical issues for good. Get your reliable fix and order today!

$224.95

+11.99 USPS Priority Shipping

Availability: In stock



SKU: 591-06642-18 Categories: ,
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Restore Control and End Electrical Frustrations in Your GM Truck

Are you chasing electrical gremlins in your 2002 Avalanche or another GM truck? Flickering interior lights, power windows with a mind of their own, or a security light that won’t turn off are classic signs of a failing Body Control Module (BCM). As a technician with over two decades of experience, I’ve seen firsthand how a faulty BCM can make a perfectly good truck feel unreliable. It’s the vehicle’s central hub for body electronics, and when it goes, it takes convenience and safety features with it.

This isn’t just a replacement part; it’s a complete, hassle-free solution. We take the guesswork and dealer expense out of the equation by pre-programming this BCM specifically for your vehicle. Simply provide us with your VIN after purchase, and our experts will flash the module with the latest GM software updates. This ensures it communicates perfectly with your truck’s other systems right out of the box, restoring functionality and peace of mind. This is the definitive fix for your 2002 Avalanche BCM issues and a wide range of other compatible GM models.

Case Study: A Tricky Diagnosis

“A customer brought in his ’02 Sierra 2500 last month with a bizarre list of complaints: the radio would randomly shut off, the dome light would stay on, and the power locks worked intermittently. He’d already replaced the battery and checked fuses with no luck. After hooking up the scan tool, I saw communication errors pointing straight to the BCM. We installed one of our pre-programmed modules, and within an hour, every single issue was resolved. He couldn’t believe the fix was that straightforward after weeks of frustration.”

A Straightforward Guide to Your BCM Installation

  1. Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work.
  2. Locate the BCM: On most compatible trucks and SUVs (like the Avalanche, Silverado, Tahoe), the BCM is located under the driver’s side of the steering column. On vans (Astro, Safari) and S-series trucks, it’s typically behind the center dash.
  3. Remove the Old Module: Carefully unplug the electrical connectors. They have locking tabs that need to be depressed. Once unplugged, unbolt or unclip the old BCM from its mounting bracket.
  4. Install the New BCM: Mount your new, pre-programmed BCM in the same location and securely reconnect all electrical harnesses.
  5. Reconnect Battery: Re-attach the negative battery terminal.
  6. Perform Final Procedures: Follow the critical post-installation steps below to ensure full system functionality, particularly for the airbag and brake systems.

Is Your GM Vehicle Showing These Symptoms?

  • ✔ Erratic or non-functional power windows, door locks, or mirrors.
  • ✔ Interior dome lights or dashboard lights staying on or not working at all.
  • ✔ The security or anti-theft light is illuminated, potentially causing a no-start condition.
  • ✔ Horn sounding randomly or not working when pressed.
  • ✔ Intermittent operation of the radio or climate controls.
  • ✔ Diagnostic trouble codes related to communication loss with the BCM.

Critical Post-Installation Steps

After installing your new 2002 Avalanche BCM, a couple of crucial relearn procedures are necessary to guarantee safety and proper operation. This is standard for this type of repair.

  • Airbag System Reset: The airbag warning light will likely be on. You must perform the ‘Setup SDM Primary Key in BCM’ procedure using a compatible bi-directional scan tool. This re-establishes the critical link between the airbag system (SDM) and the new BCM.
  • Brake Pedal Position Sensor Relearn: Some vehicles require the Brake Pedal Position (BPP) sensor to be recalibrated after BCM replacement. This ensures the brake lights and stability control systems function correctly.

Note: If you are a DIYer and do not have access to a high-level scan tool, a local qualified repair shop can perform these procedures for you.

Verified Vehicle Compatibility

This module is a direct-fit replacement for part numbers 15063578, 15081796, 15095334, 19208537, DKAK, and DPNU. It is confirmed to fit the following vehicles:

  • AVALANCHE 1500: 2002 (4×2)
  • BLAZER S10 / JIMMY S15: 2002-2005
  • S10 / S15 / SONOMA: 2002-2004
  • ASTRO / SAFARI (GMC): 2002-2005
  • SILVERADO & SIERRA (1500, 2500, 3500, DENALI): 2002
  • SUBURBAN (1500, 2500): 2002
  • TAHOE / YUKON: 2002 (4×2)
  • YUKON XL (1500, 2500): 2002
  • ESCALADE: 2002 (4×2)

Frequently Asked Questions

Do I really need to provide my VIN?

Yes, providing your Vehicle Identification Number (VIN) is essential. We use it to load the correct, vehicle-specific software and the latest updates from GM onto your BCM, ensuring it works perfectly upon installation.

Is this a difficult part to replace myself?

For someone with basic mechanical skills, the physical replacement is straightforward. The main challenge is having access to a scan tool for the post-installation procedures like the airbag system reset.

What happens if I don’t do the airbag reset?

The airbag warning light will remain on, and more importantly, the supplemental restraint system (airbags) may not function correctly in an accident. This step is critical for safety.

Will this fix my truck’s no-start problem?

If your no-start issue is caused by the BCM’s control over the anti-theft system (Passlock), then yes, this pre-programmed 2002 Avalanche BCM is the correct solution.

What tools are needed for the job?

You’ll need basic hand tools like a socket set and screwdrivers to access and remove the old BCM. The most important tool is a capable bi-directional scan tool for the final relearn procedures.

MPN

15063578

Genuine OEM

Yes

Interchange part number

Condition

Refurbished

Model

Avalanche

Make

Year

2002

Brand

GM

Manufacturer Part Number

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