Restore Your Van’s Electrical System with a Plug-and-Play Solution
Is your 2008-2012 GMC Savana 2500 or other GM vehicle acting possessed? Flickering lights, malfunctioning power windows, a security system that won’t cooperate, or even a frustrating no-start condition can often be traced back to one component: a failing Body Control Module (BCM). As the central nervous system for your vehicle’s body electronics, the BCM manages a huge range of functions. When it goes bad, it can create a cascade of confusing and disruptive problems. Stop chasing electrical gremlins and get a definitive fix.
This isn’t just a replacement part; it’s a complete solution. We take the hassle and high cost out of the repair by pre-programming this BCM with the latest GM software updates, specifically matched to your vehicle’s VIN. This means you can skip the expensive trip to the dealership for programming. Simply provide your VIN after purchase, and we’ll ship a module that’s ready for installation, getting your work van or family vehicle back to full operational status quickly and affordably.
A Technician’s Notebook
“A customer brought in his 2011 Savana 2500 work van last month with a truly bizarre set of issues. The dome lights wouldn’t turn off, the radio would randomly shut down, and sometimes the van wouldn’t start, showing a security light on the dash. He’d already replaced the battery and checked fuses. After hooking up the scan tool, I saw multiple communication loss codes with various modules. In my 20+ years of experience, this pattern almost always points to the BCM. Internal corrosion, often from moisture getting past the windshield seal, is a common killer of these units. We installed one of our VIN-programmed BCMs, and it was like flipping a switch. All the phantom issues disappeared. The customer was back on the road the same day, saving hundreds compared to a dealer visit.”
Is Your Vehicle Showing These Symptoms?
- ✔ Erratic or non-functional power windows, door locks, or mirrors.
- ✔ Interior or exterior lights staying on or not working at all.
- ✔ The security system light is on, preventing the engine from starting.
- ✔ The horn honks unexpectedly or doesn’t work.
- ✔ Wipers operate intermittently or get stuck.
- ✔ Warning lights on the dashboard with no apparent cause.
- ✔ Communication errors with other vehicle modules (DTC U-codes).
A Straightforward Guide to Installation
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work.
- Locate the BCM: On most Savana and Express vans, the BCM is located in the center dash area, often accessible by removing the lower dash panels. For other models, it may be under the steering column or on the left-hand (driver’s side) of the dash.
- 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 module from its mounting bracket.
- Install the New BCM: Mount your new, pre-programmed BCM in the same location and securely reconnect all electrical harnesses. Ensure they click into place.
- Reconnect the Battery: Reattach the negative battery terminal.
- Perform Relearn Procedures: This is a critical step. You will need a capable diagnostic scan tool to perform the ‘Setup SDM Primary Key in BCM’ procedure to ensure the airbag system communicates correctly and the warning light goes out. Some vehicles may also require a brake pedal position sensor relearn.
Verified Vehicle Compatibility
This BCM is a direct-fit replacement for a wide range of General Motors vehicles. It is compatible with part numbers: 10382479, 15093910, 15276271, 15299986, 15819552, 15828601, 15837419, 15872388, 15872421, 15880684, 15921352, 15921353, 15948438, 15948439, 20815898, 20839063, 20864767, 20864768, 20921435, 20921436, 20935349, 22860591, 25826124, 25826125, 25847588, 25847589, 25892622, 25910474, 25934762, 25934763, and 95151084. Please verify your part number and check the list below.
- ACADIA 07-12
- AVALANCHE 1500 10 (ID 25892622)
- CAPRICE 11-13
- CAPTIVA SPORT 12
- CTS 08-13
- DTS 06-11
- ENCLAVE 08-12
- EQUINOX 07-09
- ESCALADE 10
- ESCALADE ESV 10
- ESCALADE EXT 10
- EXPRESS 1500 VAN 08-12
- EXPRESS 2500 VAN 08-12
- EXPRESS 3500 VAN 08-12
- G8 08-09
- HUMMER H2 08-09
- IMPALA 06-13
- LUCERNE 06-11
- MONTE CARLO 06-07
- OUTLOOK 07-10
- SAVANA 1500 VAN 08-12
- SAVANA 2500 VAN 08-12
- SAVANA 3500 VAN 08-12
- SRX 07-09
- STS 10
- SUBURBAN 1500 10
- TAHOE 10
- TORRENT 07-09
- TRAVERSE 09-12
- VUE 08-10
- YUKON 10
- YUKON XL 1500 10
Frequently Asked Questions
What exactly does ‘VIN Programmed’ mean?
It means we load your vehicle’s specific Vehicle Identification Number (VIN) and all related factory software and calibrations onto the BCM before we ship it. This ensures the module works correctly with the specific options and security systems your car was built with, eliminating the need for dealer programming.
Do I need any special tools for the installation?
For the physical installation, you’ll only need basic hand tools like a socket set and screwdrivers. However, to complete the job correctly and extinguish the airbag light, you will need access to a professional-grade scan tool capable of performing the ‘Setup SDM Primary Key’ procedure.
Will this fix my ‘Service Theft System’ message?
Yes, a faulty BCM is one of the most common causes of issues with the GM Pass-Key or Passlock security systems. A new, correctly programmed BCM will restore communication and resolve these security-related starting problems.
How do I provide my VIN after I order?
After you complete your purchase, you will receive instructions on how to send us your 17-digit VIN. We cannot program and ship your module until we receive this information, so please provide it promptly to avoid delays.
Is this a new or used part?
This is a quality, tested replacement part that has been inspected and prepared for service. It is programmed with the latest GM software for your vehicle, ensuring reliable performance.
What happens if I don’t do the airbag (SDM) relearn procedure?
If the ‘Setup SDM Primary Key in BCM’ procedure is not performed, the airbag warning light will remain illuminated on your dashboard, and more importantly, the Supplemental Restraint System (SRS) may not function correctly in the event of a collision. This is a critical safety step.