End the Electrical Gremlins in Your GM Truck or SUV
Are you tired of chasing down bizarre electrical issues in your 2002 GMC Yukon or similar GM vehicle? One minute the power windows work, the next they don’t. The security light flashes for no reason, or your interior lights have a mind of their own. As a technician with over two decades of experience, I’ve seen these exact frustrations countless times. These seemingly random problems often point to one central culprit: a failing Body Control Module (BCM). The BCM is the nerve center for your vehicle’s body electronics, and when it starts to fail, it can create a cascade of annoying and unpredictable symptoms. This isn’t just an inconvenience; it can affect vehicle security and safety.
This is your direct-fit, reliable solution. We offer a replacement 2002 Yukon BCM that comes fully programmed to your vehicle’s specific VIN. Before we ship it, we flash it with the latest GM-certified software, ensuring it communicates perfectly with your truck’s other modules right out of the box. This eliminates the need for an expensive trip to the dealership for programming, saving you both time and money. Simply provide your VIN at checkout, and we handle the rest.
A Technician’s Notebook
I remember a 2002 Sierra that came into the shop with a classic BCM failure. The owner was at his wit’s end. The radio would turn on and off, the dome light would flicker while driving, and occasionally the horn would honk when he used the turn signal. He’d already replaced the battery and checked all the fuses. We connected our scan tool and found a slew of communication error codes (U-codes) pointing to the BCM. Instead of a costly dealer part and programming appointment, we installed a VIN-programmed module just like this one. The entire job took less than an hour, and all the strange electrical issues were gone. It’s a satisfying fix that restores the vehicle’s functionality and the owner’s peace of mind.
Is Your Vehicle Showing These Symptoms?
A faulty BCM can manifest in many ways. If you’re experiencing any of the following, this module is likely the solution you need:
- ✔ Erratic or non-functional power windows, door locks, or mirrors.
- ✔ Interior or exterior lights flickering, staying on, or not working at all.
- ✔ The security system acting up, causing no-start conditions (Security or Anti-Theft light on).
- ✔ Inaccurate or dead gauges on the instrument cluster.
- ✔ Horn, radio, or windshield wipers operating intermittently.
- ✔ Diagnostic Trouble Codes (DTCs) related to body systems or communication errors (e.g., U1000, B1001).
A Straightforward Guide to Installation
For the confident DIYer or professional mechanic, installing this 2002 Yukon BCM is a manageable job. The location varies by model, so be sure to verify whether it’s under the steering column or behind the center dash.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work.
- Locate the BCM: On most trucks and full-size SUVs (Yukon, Tahoe, Silverado, Sierra), it’s typically mounted to a bracket under the driver’s side of the dashboard, near the steering column. On vans (Astro, Safari) and S-series trucks, it’s often behind the center dash/glove box area.
- Remove Trim Panels: Carefully remove any plastic trim or lower dash panels needed to access the module.
- Disconnect and Remove: 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 and securely reconnect all electrical connectors. You should hear a ‘click’ as they lock in.
- 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.
Important Post-Installation Information
Because this 2002 Yukon BCM is programmed to your VIN, most functions will work immediately. However, on some GM vehicles, additional steps called ‘relearn’ or ‘sync’ procedures may be necessary to fully integrate the new module with other systems. These often require a bi-directional scan tool.
- ✔ Airbag System Sync: If your airbag warning light is on after installation, a ‘Setup SDM Primary Key in BCM’ procedure is needed to sync the BCM with the airbag module (SDM).
- ✔ Brake Pedal Position Relearn: To ensure correct brake light and traction control operation, a brake pedal position sensor relearn might be required.
- ✔ No Core Charge: You are not required to send your old module back. This saves you the hassle and cost of a core return.
Disclaimer: Vehicle systems vary. Always refer to a factory service manual or a qualified technician for procedures specific to your vehicle.
Will This Fit My Vehicle?
This module is a direct replacement for part numbers 15095334, 15063578, 15081796, 19208537, DKAK, and DPNU. It is confirmed to fit the following GM models:
- ✔ 2002-2005 Chevrolet Astro / GMC Safari
- ✔ 2002 Chevrolet Avalanche 1500 (4×2)
- ✔ 2002-2005 Chevrolet Blazer S10 / GMC Jimmy S15
- ✔ 2002-2004 Chevrolet S10 / GMC Sonoma
- ✔ 2002 Cadillac Escalade (4×2)
- ✔ 2002 Chevrolet Silverado & GMC Sierra 1500, 2500, 3500 & Denali
- ✔ 2002 Chevrolet Suburban 1500 (4×2) & 2500
- ✔ 2002 Chevrolet Tahoe (4×2)
- ✔ 2002 GMC Yukon & Yukon XL 1500 (4×2) & 2500
Frequently Asked Questions
Do I need to get this programmed by a dealer?
No. We program the module to the VIN you provide before shipping. This saves you the time, cost, and hassle of a dealership visit, making it ready for installation upon arrival.
What is a BCM and what does it do?
The Body Control Module (BCM) is a computer that manages most of your vehicle’s non-engine related electronic functions, such as power windows, door locks, interior/exterior lighting, security system, and wipers.
Is this a difficult part to replace myself?
For someone with basic mechanical skills and tools, it’s generally a straightforward process. The main challenge is accessing the module, which is typically located under the dashboard. Our pre-programming makes the electronic side of the job much simpler.
Do I need to return my old BCM?
No, there is no core charge for this part. You can keep your original module.
What if my airbag light comes on after I install it?
This can happen on some models. It means the new BCM needs to be electronically ‘introduced’ to the airbag system’s computer (SDM). This procedure, called ‘Setup SDM Primary Key in BCM’, requires a professional-grade scan tool to complete.