Restore Your Truck’s Electrical System with a Plug-and-Play Solution
Are you chasing frustrating electrical gremlins in your 2002 GMC Yukon or other GM truck? Flickering lights, unresponsive power windows, or a security system that has a mind of its own are classic signs of a failing Body Control Module (BCM). The BCM is the central command center for your vehicle’s body electronics, and when it starts to go, it can create a cascade of baffling issues. Instead of paying for expensive diagnostic time and dealership programming fees, get the reliable fix you need with our pre-programmed BCM.
This isn’t just a generic part off the shelf. We take your vehicle’s VIN and flash this module with the very latest GM-certified software specifically for your truck. This ensures seamless integration and proper function right out of the box. A new, properly functioning 2002 Yukon BCM is the key to restoring the comfort, convenience, and security features you rely on every day.
Case Study: A Tricky Diagnosis
I remember a 2002 Sierra that came into my shop with a complaint that was driving the owner crazy. The dome lights would randomly turn on while driving, the radio would shut off, and the power locks would cycle on their own. The customer had already replaced the battery and checked all the fuses. After connecting my scan tool, I saw several communication error codes (U-codes) pointing to the BCM. These modules are notorious for internal solder joint failures that cause intermittent connections. We installed a VIN-programmed BCM, and all the phantom electrical issues vanished instantly. It’s a fix that brings immense relief to owners who thought they were in for a complex wiring nightmare.
Is Your GM Truck Showing These Symptoms?
- ✔ Erratic or non-working power windows, door locks, or mirrors.
- ✔ Interior or exterior lights that flicker, stay on, or won’t turn on at all.
- ✔ The security system or alarm randomly activating or preventing the engine from starting (Passlock issues).
- ✔ Dashboard warning lights (like the airbag or brake light) illuminating for no reason.
- ✔ Horn not working or sounding off unexpectedly.
- ✔ Communication DTCs such as U0140, U0155, or B1001 stored in other modules.
A Straightforward Guide to Installation
- ✔ Safety First: Always disconnect the negative terminal from your vehicle’s battery before beginning any electrical work. Wait a few minutes to allow the system to fully discharge.
- ✔ Locate the Module: On most trucks like the 2002 Yukon, Tahoe, and Silverado, the BCM is located under the driver’s side of the dashboard, near the steering column. You may need to remove a lower dash panel for access.
- ✔ Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. They have locking tabs that need to be depressed. Once disconnected, unbolt or unclip the old module from its mounting bracket.
- ✔ Install the New BCM: Mount your new, pre-programmed BCM in the same location. Securely plug in all the electrical connectors, ensuring they click into place.
- ✔ Reconnect and Test: Reconnect the negative battery terminal. Turn the key to the ‘On’ position and test all body functions—windows, locks, lights, horn, etc.—to confirm the repair.
Important Post-Installation Information
While this 2002 Yukon BCM comes programmed for your VIN, some vehicle systems may require a ‘handshake’ with the new module. This is normal. You might need a professional scan tool for the following 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 to sync the modules.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration may be needed to ensure correct brake light operation and traction control function.
We offer a no-hassle core policy. You are not required to return your old BCM, saving you time and return shipping costs.
Will This Fit My GM Vehicle?
This module is a direct replacement for part numbers DKAK, DPNU, 15063578, 15081796, 15095334, and 19208537. It is guaranteed to fit the following models:
AVALANCHE 1500 02 (4×2)
BLAZER S10/JIMMY S15 02-05 (multiple IDs)
ESCALADE 02 (4×2)
S10/S15/SONOMA 02-04 (multiple IDs)
SAFARI (GMC) 02-05 (multiple IDs)
SIERRA 1500/2500/3500 PICKUP 02
SIERRA DENALI 02
SILVERADO 1500/2500/3500 PICKUP 02
SUBURBAN 1500/2500 02
TAHOE 02 (4×2)
YUKON 02 (4×2)
YUKON XL 1500/2500 02
Frequently Asked Questions
Frequently Asked Questions
Do I need to do any programming myself?
No. We handle all the programming before we ship the part. Just provide your vehicle’s VIN at checkout, and we’ll flash the module with the latest GM software specific to your truck.
Is this a difficult part for a DIYer to install?
For most people with basic hand tools, this is a very manageable job. The BCM is typically easy to access under the dashboard. The most important part is ensuring the battery is disconnected before you start.
Will this fix my ‘Service 4WD’ light?
While a failing BCM can cause a variety of issues, the ‘Service 4WD’ message is more commonly related to the Transfer Case Control Module (TCCM) or the encoder motor. You should diagnose that system separately before replacing the BCM for that specific issue.
What is a core charge? Do I have one?
A core charge is a deposit you pay until you return your old part. We do not have a core charge on this BCM. You can keep your old module, which saves you the hassle and cost of shipping it back.
Why is my airbag light on after installing the new BCM?
This is a normal security feature. The new BCM needs to be electronically introduced to the vehicle’s airbag computer (SDM). A repair shop with a professional-grade scan tool can perform the ‘Setup SDM Primary Key in BCM’ procedure in a few minutes to turn the light off.
What makes this better than a used part from a junkyard?
A used part will have the programming from the donor vehicle, which will not work correctly in your truck. It also has unknown mileage and wear. Our module is professionally inspected, tested, and programmed with fresh, updated software specifically for your VIN, ensuring a reliable and lasting repair.