Restore Full Functionality to Your GM Truck or SUV
Are you chasing electrical gremlins in your 2002 GMC Yukon or a similar GM vehicle? One minute the power windows work, the next they don’t. Maybe your security light is flashing, causing a frustrating no-start condition, or the interior lights have a mind of their own. As a technician with over two decades of experience, I’ve seen these exact issues hundreds of times. The culprit is almost always a failing Body Control Module (BCM), the central hub for your vehicle’s body electronics.
Don’t waste time and money at the dealership. This is a direct-fit replacement Body Control Module, part number 19208537. The best part? We handle the complicated part for you. Before we ship it, we program the module with the latest GM software, perfectly matched to your vehicle using the VIN you provide. This eliminates the need for expensive dealer-only tools and gets you back on the road faster.
A Technician’s Notebook
I remember a 2002 Sierra 2500 that rolled into my bay with a laundry list of complaints from the owner. The radio would turn on and off randomly, the driver’s side power lock was dead, and the dome light would flicker constantly. He had already replaced the battery and checked all the fuses. A scan showed a dozen intermittent communication codes (U-codes) pointing in every direction. This is a classic sign of a BCM failure. The internal processors and solder joints break down over time, causing unpredictable data corruption across the vehicle’s network. We installed a VIN-programmed BCM just like this one, and every single electrical issue was resolved in under an hour. It’s a fix that restores sanity for both the owner and the technician.
Is Your GM Truck or SUV Showing These Signs?
- ✔ Intermittent or non-working power windows, door locks, or mirrors.
- ✔ Erratic interior or exterior lighting behavior (e.g., lights staying on or not turning on).
- ✔ The security or anti-theft system light is on, preventing the engine from starting.
- ✔ The radio or instrument cluster functions sporadically.
- ✔ False warning messages appearing on the driver information center.
- ✔ Communication error codes, often starting with ‘U’ (e.g., U0140), stored in various modules.
- ✔ Inconsistent A/C compressor clutch engagement.
Your Straightforward BCM Installation Guide
Replacing the 2002 Yukon BCM is a manageable job for a confident DIYer. The module is typically located under the driver’s side of the dashboard, near the steering column. Always consult a service manual for your specific model’s location.
- Safety First: Disconnect the negative terminal from your vehicle’s battery and wait at least 10 minutes to allow all systems to power down completely.
- Locate the BCM: On most full-size trucks and SUVs, you will need to remove the lower dash panel (knee bolster) under the steering wheel to gain access.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. They have locking tabs that must be depressed. Once unplugged, unbolt or unclip the module from its mounting bracket.
- Install the New Module: Mount your new, pre-programmed BCM in the same location and securely plug in all the electrical connectors. You should hear a ‘click’ as they lock into place.
- Reconnect and Test: Reconnect the negative battery terminal. Turn the key to the ‘On’ position (without starting the engine) and test all body functions: lights, locks, windows, radio, etc.
Important Post-Installation Steps
Because this module is pre-programmed, your vehicle should start and run. However, depending on your vehicle’s specific configuration, a couple of final synchronization steps, known as ‘relearn procedures,’ may be required. These procedures sync the new BCM with other modules in your vehicle.
- Airbag System Sync: If your airbag warning light is illuminated after installation, a professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ procedure. This ensures the airbag system is communicating correctly with the new BCM.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor relearn may be necessary to ensure proper brake light operation and to keep the traction control system happy. This also requires a compatible diagnostic tool.
Verified Fitment For These GM Models
This module is a direct replacement for part numbers 15063578, 15081796, 15095334, 19208537, DKAK, and DPNU. It is guaranteed to fit the following vehicles:
AVALANCHE 1500 02 (4×2)
BLAZER S10/JIMMY S15 02-05
ESCALADE 02 (4×2)
S10/S15/SONOMA 02-04
SAFARI (GMC) 02-05
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 about the 2002 Yukon BCM
Why do I need to provide my VIN?
Your Vehicle Identification Number (VIN) allows us to program the BCM with the exact software and vehicle-specific options that your truck or SUV left the factory with. This ensures seamless integration and proper function of features like keyless entry, power seats, and security settings, saving you a trip to the dealer.
Is this a plug-and-play part?
Mostly, yes! Because we pre-program it, your vehicle will start and most functions will be restored immediately after installation. However, as noted above, some vehicles may require a simple ‘relearn’ procedure for the airbag or brake systems, which needs a professional scan tool to complete.
Do I need to return my old BCM?
No. There is no core charge for this part. You can keep your old module, which can be helpful if you ever need to reference its original part number.
How do I know if my BCM is the problem?
A failing BCM typically causes multiple, seemingly unrelated electrical problems. If your power locks, windows, radio, and security system are all acting up intermittently, the BCM is the most likely cause. A professional diagnosis with a high-end scan tool can confirm this by checking for communication codes with the BCM.
Will this fix my ‘Security’ light no-start problem?
Yes, in most cases. The BCM is a critical part of the GM Passlock anti-theft system. When it fails, it can’t validate the key, triggering the security light and disabling the starter. Replacing it with a correctly programmed unit is the standard repair for this common issue.