End Frustrating Electrical Problems in Your GM Truck or SUV
Are you chasing down bizarre electrical issues in your 2003-2006 GMC Yukon XL 1500? One minute the power windows work, the next they don’t. Maybe the security light is flashing, your HVAC controls have a mind of their own, or you’re dealing with a persistent battery drain. These aren’t just annoyances; they’re classic signs of a failing Body Control Module (BCM). The BCM is the nerve center for your vehicle’s body accessories, and when it malfunctions, it can create a cascade of unpredictable problems. Instead of swapping parts randomly, get to the root of the issue with this direct-replacement BCM, part number 15137395.
A Technician’s Notebook: The Phantom Battery Drain
I once had a 2005 Sierra come into the shop with a battery that would die every two days. The owner had already replaced the battery and alternator. After checking for parasitic draw, I saw a 2-amp pull that wouldn’t go away. By pulling fuses one by one, I isolated the draw to the BCM circuit. An internal short in the original BCM was keeping multiple relays energized even with the key off. Swapping in a cloned BCM didn’t just fix the draw; it also solved the intermittent radio and dome light issues the customer had forgotten to mention. This is a prime example of how a single faulty 2003-2006 Yukon XL BCM can cause multiple, seemingly unrelated symptoms.
The Power of a Perfect Match: Our Cloning Service
Dealerships will sell you a new BCM, but it will require expensive programming to sync with your vehicle’s VIN and specific options. Our unique Cloning Service eliminates that step entirely. We transfer the essential data from your original, faulty module directly onto this replacement unit. The result? A true plug-and-play component that is 100% compatible with your vehicle’s existing systems right out of the box. No trips to the dealer, no special tools, just a straightforward fix.
Is Your Yukon Showing These Telltale Signs?
- ✔ Erratic or non-functional power windows, door locks, or mirrors.
- ✔ Interior or exterior lights that stay on, flicker, or won’t turn on at all.
- ✔ HVAC system failures, such as a blower motor that won’t work or temperature controls that are unresponsive.
- ✔ An illuminated airbag light, often accompanied by diagnostic trouble code (DTC) B1001.
- ✔ Security system malfunctions, causing a no-start condition where the engine cranks but won’t fire.
- ✔ Unexplained parasitic battery drain that kills your battery overnight.
A Straightforward Guide to Installation
- ✔ Safety First: Begin by disconnecting the negative terminal from your vehicle’s battery to prevent electrical shorts and reset the system.
- ✔ Locate the BCM: On most GMT800 platform vehicles like the Yukon, the BCM is located under the driver’s side dashboard, typically to the left of the steering column.
- ✔ Swap the Module: Carefully unplug the electrical connectors from the old BCM. They have locking tabs that need to be depressed. Remove any mounting screws or clips holding it in place, then install the new module and securely re-attach the connectors.
- ✔ Reconnect and Test: Reconnect the negative battery terminal. Start the vehicle and test all body functions—windows, locks, lights, wipers, and HVAC—to confirm the repair.
- ✔ Post-Install Checks: In some cases, a post-installation procedure like an Airbag System Sync or Brake Pedal Position Relearn may be needed. This is typically only required if a related warning light is on. See our FAQ for more details.
Verified Vehicle Compatibility
This module, interchangeable with part number 15137395 and others, is a guaranteed fit for a wide range of General Motors trucks and SUVs. This is a reliable solution for your 2003-2006 Yukon XL BCM replacement and many other models. Please verify your vehicle from the list below:
SIERRA 3500 PICKUP 06 Body Control (BCM); (under steering column), AT, 4 speed (opt MT1), Crew Cab
SAVANA 2500 VAN 04-07 Body Control (BCM); (center dash), w/commercial tradesman package (opt PRP)
SIERRA 2500 PICKUP 03-05 Body Control (BCM); (under steering column), Crew Cab
ESCALADE ESV 03-06 Body Control (BCM); (under steering column)
HUMMER H2 04-07 Body Control (BCM); (LH dash)
SIERRA 3500 PICKUP 03-05 Body Control (BCM); (under steering column), Crew Cab
SILVERADO 1500 PICKUP 03-06 Body Control (BCM); (under steering column), Crew Cab
ESCALADE 03-06 Body Control (BCM); (under steering column)
SAVANA 1500 VAN 04-07 Body Control (BCM); (center dash), w/commercial tradesman package (opt PRP)
SIERRA 2500 PICKUP 07 Body Control (BCM); classic style (creased door skin), (under steering column), MT, Crew Cab
SIERRA DENALI 03-06 Body Control (BCM); (under steering column)
SIERRA DENALI 07 Body Control (BCM); classic style (creased door skin), (under steering column)
AVALANCHE 2500 02-06 Body Control (BCM); (under steering column)
YUKON XL 1500 03-06 Body Control (BCM); (under steering column)
ESCALADE EXT 03-06 Body Control (BCM); (under steering column)
SIERRA 1500 PICKUP 07 Body Control (BCM); classic style (creased door skin), (under steering column), Crew Cab
SILVERADO 2500 PICKUP 06 Body Control (BCM); (under steering column), AT, 4 speed (opt MT1), Crew Cab
SILVERADO 2500 PICKUP 07 Body Control (BCM); classic style (creased door skin), (under steering column), MT, Crew Cab
SILVERADO 3500 PICKUP 06 Body Control (BCM); (under steering column), AT, 4 speed (opt MT1), crew cab
SILVERADO 3500 PICKUP 07 Body Control (BCM); classic style (creased door skin), (under steering column), MT, crew cab
EXPRESS 1500 VAN 04-07 Body Control (BCM); (center dash), w/commercial tradesman package (opt PRP)
HUMMER H2 03 Body Control (BCM); ID 8116
SAVANA 3500 VAN 04-07 Body Control (BCM); (center dash), w/commercial tradesman package (opt PRP)
SUBURBAN 2500 03-06 Body Control (BCM); (under steering column)
EXPRESS 2500 VAN 04-07 Body Control (BCM); (center dash), w/commercial tradesman package (opt PRP)
SILVERADO 2500 PICKUP 03-05 Body Control (BCM); (under steering column), Crew Cab
SILVERADO 3500 PICKUP 07 Body Control (BCM); classic style (creased door skin), (under steering column), AT, 4 speed (opt MT1), crew cab
SIERRA 2500 PICKUP 07 Body Control (BCM); classic style (creased door skin), (under steering column), AT, 4 speed (opt MT1), Crew Cab
SIERRA 3500 PICKUP 06 Body Control (BCM); (under steering column), MT, Crew Cab
SIERRA 2500 PICKUP 06 Body Control (BCM); (under steering column), MT, Crew Cab
SILVERADO 2500 PICKUP 07 Body Control (BCM); classic style (creased door skin), (under steering column), AT, 4 speed (opt MT1), Crew Cab
SILVERADO 3500 PICKUP 03-05 Body Control (BCM); (under steering column), crew cab
YUKON XL 2500 03-06 Body Control (BCM); (under steering column)
SILVERADO 3500 PICKUP 06 Body Control (BCM); (under steering column), MT, crew cab
SIERRA 2500 PICKUP 06 Body Control (BCM); (under steering column), AT, 4 speed (opt MT1), Crew Cab
SILVERADO 1500 PICKUP 07 Body Control (BCM); classic style (creased door skin), (under steering column), Crew Cab
TAHOE 03-06 Body Control (BCM); (under steering column)
EXPRESS 3500 VAN 04-07 Body Control (BCM); (center dash), w/commercial tradesman package (opt PRP)
SIERRA 1500 PICKUP 03-06 Body Control (BCM); (under steering column), Crew Cab
SIERRA 3500 PICKUP 07 Body Control (BCM); classic style (creased door skin), (under steering column), AT, 4 speed (opt MT1), Crew Cab
SIERRA 3500 PICKUP 07 Body Control (BCM); classic style (creased door skin), (under steering column), MT, Crew Cab
SILVERADO 2500 PICKUP 06 Body Control (BCM); (under steering column), MT, Crew Cab
YUKON 03-06 Body Control (BCM); (under steering column)
SUBURBAN 1500 03-06 Body Control (BCM); (under steering column)
What exactly is the ‘Cloning Service’?
What exactly is the ‘Cloning Service’?
Our cloning service is a process where we transfer the specific vehicle data (including VIN, mileage, and option content) from your original BCM to the replacement unit. This makes the new module a perfect electronic match for your truck, allowing it to work immediately upon installation without any additional programming.
Do I need to take my truck to a dealer after installing this part?
What exactly is the ‘Cloning Service’?
Our cloning service is a process where we transfer the specific vehicle data (including VIN, mileage, and option content) from your original BCM to the replacement unit. This makes the new module a perfect electronic match for your truck, allowing it to work immediately upon installation without any additional programming.
How does the cloning process work? Do I send my part in?
What exactly is the ‘Cloning Service’?
Our cloning service is a process where we transfer the specific vehicle data (including VIN, mileage, and option content) from your original BCM to the replacement unit. This makes the new module a perfect electronic match for your truck, allowing it to work immediately upon installation without any additional programming.
What if the airbag light comes on after installation?
What exactly is the ‘Cloning Service’?
Our cloning service is a process where we transfer the specific vehicle data (including VIN, mileage, and option content) from your original BCM to the replacement unit. This makes the new module a perfect electronic match for your truck, allowing it to work immediately upon installation without any additional programming.
Is this a reliable, long-term fix for my 2003-2006 Yukon XL BCM?
What exactly is the ‘Cloning Service’?
Our cloning service is a process where we transfer the specific vehicle data (including VIN, mileage, and option content) from your original BCM to the replacement unit. This makes the new module a perfect electronic match for your truck, allowing it to work immediately upon installation without any additional programming.