Restore Full Control Over Your Yukon’s Electronics
Are you battling bizarre electrical issues in your 2003-2006 GMC Yukon XL 1500? Flickering lights, a dead A/C blower, or power windows with a mind of their own are classic signs of a failing Body Control Module (BCM). As the central command for your vehicle’s body electronics, a faulty BCM can cause a cascade of frustrating problems. This replacement BCM, part number 15136225, is the definitive solution, arriving expertly programmed to your vehicle’s specific VIN. This means you can skip the expensive trip to the dealership for programming—it’s ready for installation right out of the box.
From the Diagnostic Bay: The Case of the Haunted SUV
I remember a 2005 Yukon XL that came into my shop with a laundry list of complaints from the owner. The radio would cut out, the driver’s side power lock wouldn’t work, and the HVAC controls were completely unresponsive. The owner had already replaced the battery and checked fuses, but the problems were intermittent and maddening. After connecting my scanner, I saw multiple communication loss codes with the BCM. These GMT800 platform vehicles are notorious for BCM failures due to internal solder joint cracks from years of heat cycles. Installing a pre-programmed 2003-2006 Yukon XL 1500 BCM resolved every single issue in under 10 minutes. It’s a common repair that brings immense relief to owners.
Is Your Yukon Showing These Electrical Gremlins?
- ✔ The security light stays on, or the vehicle won’t start.
- ✔ Power windows, door locks, or interior lights work sporadically or not at all.
- ✔ The HVAC system is unresponsive, or the blower motor works intermittently.
- ✔ An airbag warning light is illuminated, often with a DTC like B1001 (Setup SDM Primary Key in BCM).
- ✔ Wipers operate erratically or won’t turn off.
- ✔ Multiple communication-related Diagnostic Trouble Codes (DTCs) are stored in the system.
Your 5-Minute Path to a Fully Functional Yukon
- ✔ Safety First: Always disconnect the negative terminal on your vehicle’s battery before starting any electrical work. This prevents short circuits and helps reset the vehicle’s electronic systems.
- ✔ Locate the BCM: On the 2003-2006 Yukon XL 1500, the BCM is typically located under the driver’s side of the dashboard, near the steering column. It’s a black plastic box with several large multi-pin connectors.
- ✔ Swap the Module: Carefully unplug the electrical connectors from the old BCM. They have release tabs that need to be depressed. Remove any mounting screws or clips holding the old module in place, then install the new module.
- ✔ Connect and Test: Securely plug all connectors into your new BCM. Reconnect the battery terminal. Turn the key to the ‘On’ position and test all functions: windows, locks, lights, wipers, and HVAC to confirm the repair.
- ✔ Post-Installation Checks: In some cases, a procedure like an ‘SDM Key Relearn’ may be needed if the airbag light is on. This requires a professional scan tool. See our FAQ for more details.
This module is a direct replacement, designed to meet or exceed original equipment standards for a reliable, long-lasting repair. By purchasing this pre-programmed 2003-2006 Yukon XL 1500 BCM, you are not just buying a part; you are buying a simple, effective, and permanent solution to your vehicle’s electrical troubles.
Verified Fitment For Your GM Truck or SUV
AVALANCHE 2500 02-06 Body Control (BCM); (under steering column)
ESCALADE 03-06 Body Control (BCM); (under steering column)
ESCALADE ESV 03-06 Body Control (BCM); (under steering column)
ESCALADE EXT 03-06 Body Control (BCM); (under steering column)
EXPRESS 1500 VAN 04-07 Body Control (BCM); (center dash), w/commercial tradesman package (opt PRP)
EXPRESS 2500 VAN 04-07 Body Control (BCM); (center dash), w/commercial tradesman package (opt PRP)
EXPRESS 3500 VAN 04-07 Body Control (BCM); (center dash), w/commercial tradesman package (opt PRP)
HUMMER H2 03 Body Control (BCM); ID 8116
HUMMER H2 04-07 Body Control (BCM); (LH dash)
SAVANA 1500 VAN 04-07 Body Control (BCM); (center dash), w/commercial tradesman package (opt PRP)
SAVANA 2500 VAN 04-07 Body Control (BCM); (center dash), w/commercial tradesman package (opt PRP)
SAVANA 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 1500 PICKUP 07 Body Control (BCM); classic style (creased door skin), (under steering column), Crew Cab
SIERRA 2500 PICKUP 03-05 Body Control (BCM); (under steering column), Crew Cab
SIERRA 2500 PICKUP 06 Body Control (BCM); (under steering column), AT, 4 speed (opt MT1), Crew Cab
SIERRA 2500 PICKUP 06 Body Control (BCM); (under steering column), MT, 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 2500 PICKUP 07 Body Control (BCM); classic style (creased door skin), (under steering column), MT, Crew Cab
SIERRA 3500 PICKUP 03-05 Body Control (BCM); (under steering column), Crew Cab
SIERRA 3500 PICKUP 06 Body Control (BCM); (under steering column), AT, 4 speed (opt MT1), Crew Cab
SIERRA 3500 PICKUP 06 Body Control (BCM); (under steering column), MT, 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
SIERRA DENALI 03-06 Body Control (BCM); (under steering column)
SIERRA DENALI 07 Body Control (BCM); classic style (creased door skin), (under steering column)
SILVERADO 1500 PICKUP 03-06 Body Control (BCM); (under steering column), Crew Cab
SILVERADO 1500 PICKUP 07 Body Control (BCM); classic style (creased door skin), (under steering column), Crew Cab
SILVERADO 2500 PICKUP 03-05 Body Control (BCM); (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 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 2500 PICKUP 07 Body Control (BCM); classic style (creased door skin), (under steering column), MT, Crew Cab
SILVERADO 3500 PICKUP 03-05 Body Control (BCM); (under steering column), crew cab
SILVERADO 3500 PICKUP 06 Body Control (BCM); (under steering column), AT, 4 speed (opt MT1), crew cab
SILVERADO 3500 PICKUP 06 Body Control (BCM); (under steering column), MT, crew cab
SILVERADO 3500 PICKUP 07 Body Control (BCM); classic style (creased door skin), (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
SUBURBAN 1500 03-06 Body Control (BCM); (under steering column)
SUBURBAN 2500 03-06 Body Control (BCM); (under steering column)
TAHOE 03-06 Body Control (BCM); (under steering column)
YUKON 03-06 Body Control (BCM); (under steering column)
YUKON XL 1500 03-06 Body Control (BCM); (under steering column)
YUKON XL 2500 03-06 Body Control (BCM); (under steering column)
Frequently Asked Questions
What does ‘VIN Programmed’ actually mean for me?
It means we load your vehicle’s unique Vehicle Identification Number (VIN) and all related factory software into the module before we ship it. This makes the BCM a true plug-and-play part, saving you from a mandatory and costly programming session at a dealership.
Is this something I can install myself?
Absolutely. For most DIYers with basic hand tools, this is a very straightforward job that takes less than 15 minutes. The BCM is easily accessible under the driver’s side dashboard.
My airbag light came on after installation. Is the part defective?
No, this is a normal possibility. The BCM and the airbag system (SDM) need to be electronically re-synced. A mechanic with a bi-directional scan tool can perform the ‘Setup SDM Primary Key in BCM’ procedure to resolve this in a few minutes.
Do I need to return my old BCM?
No. There is no core charge for this part. You can keep your old module, which saves you the time and hassle of shipping it back.
Will this fix my brake lights not working correctly?
It can. The BCM is involved in reading the brake pedal position sensor. After installing the new module, a ‘Brake Pedal Position Relearn’ may be required on some models to ensure proper function. Always consult a factory service manual for specifics.