Restore Your Van’s Electrical System with a Reliable, Programmed BCM
Is your GMC Savana or Express van acting possessed? Flickering lights, malfunctioning power windows, a security system that randomly engages, or a dashboard lit up with warning lights are all classic signs of a failing Body Control Module (BCM). As the central hub for your vehicle’s body electronics, a faulty BCM can cause a cascade of frustrating and hard-to-diagnose issues. In my 20+ years in the shop, I’ve seen how a bad BCM can turn a dependable workhorse into a source of constant headaches. Don’t let electrical gremlins keep you off the road or drain your wallet with expensive dealership diagnostic fees.
This is a direct-fit replacement Body Control Module, arriving at your door fully programmed to your vehicle’s specific VIN. We load the latest GM-certified software before it ships, ensuring seamless integration and optimal performance. This crucial step eliminates the need for expensive programming at a dealership, saving you time and hundreds of dollars. Simply provide your VIN at checkout, and we’ll handle the rest, delivering a part that’s ready for installation right out of the box.
From the Diagnostic Bay: The Case of the Intermittent Savana
A local contractor brought in his 2011 Savana 2500, stumped by a problem that had other shops scratching their heads. The van’s interior lights would flicker, the radio would cut out, and occasionally, the power door locks wouldn’t respond. The issues were completely random. We checked grounds, wiring harnesses, and relays with no luck. Finally, we hooked up a high-end scan tool to monitor the BCM data stream. We noticed intermittent data packet loss and erratic voltage readings originating from the module itself. It was a classic case of internal BCM failure. We installed a VIN-programmed 2008-2012 Savana 2500 BCM, and within an hour, every single phantom electrical issue was gone. The customer was back on the job site the same day, saving him from costly downtime.
Is Your Vehicle Showing These Symptoms?
A failing BCM can manifest in numerous ways. If you’re experiencing any of the following, your Body Control Module is the likely culprit:
- ✔ Power windows, locks, or mirrors operating erratically or not at all.
- ✔ Interior or exterior lights flickering, staying on, or not turning on.
- ✔ The security or anti-theft system preventing the vehicle from starting.
- ✔ Inaccurate gauge readings on the instrument cluster.
- ✔ The radio or infotainment system malfunctioning.
- ✔ Communication error codes, such as U0140, U0155, or other U-series codes, stored in the system.
- ✔ A persistent battery drain when the vehicle is off.
Your Straightforward BCM Installation Guide
Replacing the BCM in your Savana or Express van is a manageable job for a DIYer with basic tools. Follow these steps for a successful installation:
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait a few minutes to ensure the system is fully discharged.
- Locate the BCM: On most Savana and Express vans, the Body Control Module is located in the center dash area, often accessible by removing lower dash panels. Consult a vehicle-specific guide for the exact location.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. They have locking tabs that must be depressed. Once disconnected, unbolt or unclip the old module from its mounting bracket.
- Install the New Module: Mount your new, pre-programmed BCM in the same location. Securely plug in all the electrical connectors, ensuring each one clicks into place.
- Reconnect and Test: Reconnect the negative battery terminal. Turn the key to the ‘On’ position and test all body functions—lights, locks, windows, radio, etc.—to confirm proper operation.
- Perform Relearns (If Needed): As noted below, some vehicles may require a ‘Setup SDM Primary Key’ or ‘Brake Pedal Position Relearn’ procedure if specific warning lights appear. This typically requires a professional scan tool.
Important Post-Installation Information
While this module is programmed for your VIN, some vehicle security and safety systems may require a final handshake after installation. Please be aware of the following potential procedures:
- Airbag System Sync: If the airbag warning light is illuminated after installation, a ‘Setup SDM Primary Key in BCM’ procedure is necessary to sync the systems. This must be done with a bi-directional scan tool.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration might be required to ensure correct brake light and traction control functionality.
Note: We always return your original module with your order; we do not require it as a core.
Verified Vehicle Compatibility
This BCM is a direct replacement for a wide range of GM vehicles and part numbers. Please verify your vehicle is on this list. This unit replaces 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, 95151084.
EXPRESS 2500 VAN 10 Body Control (BCM); (center dash), 6.0L
EXPRESS 3500 VAN 08-09 Body Control (BCM); (center dash)
SAVANA 3500 VAN 10 Body Control (BCM); (center dash), 6.6L, VIN 6 (8th digit, opt LMM)
IMPALA 06-12 Body Control (BCM); (LH dash)
SAVANA 2500 VAN 10 Body Control (BCM); (center dash), 4.8L
ACADIA 07-12 Body Control (BCM); (LH dash)
MONTE CARLO 06-07 Body Control (BCM); (LH steering column)
TAHOE 10 Body Control (BCM); (under steering column), ID 25892622
TRAVERSE 09-12 Body Control (BCM); (LH dash)
EXPRESS 3500 VAN 10 Body Control (BCM); (center dash), 6.6L, VIN 6 (8th digit, opt LMM)
YUKON 10 Body Control (BCM); (under steering column), ID 25892622
SAVANA 2500 VAN 11-12 Body Control (BCM); (center dash)
YUKON XL 1500 10 Body Control (BCM); (under steering column), ID 20815898
CAPTIVA SPORT 12 Body Control (BCM); (center dash), ID 20921435
CAPTIVA SPORT 12 Body Control (BCM); (center dash), ID 22860591
DTS 06-11 Body Control (BCM); (RH center dash)
OUTLOOK 07-10 Body Control (BCM); (center dash)
SUBURBAN 1500 10 Body Control (BCM); (under steering column), ID 25892622
ESCALADE EXT 10 Body Control (BCM); (under steering column), ID 25892622
SAVANA 1500 VAN 08-12 Body Control (BCM); (center dash)
EXPRESS 2500 VAN 11-12 Body Control (BCM)
EXPRESS 1500 VAN 08-12 Body Control (BCM); (center dash)
STS 10 Body Control (BCM); center dash
SAVANA 3500 VAN 08-09 Body Control (BCM); (center dash)
TORRENT 07-09 Body Control (BCM); (center dash)
SAVANA 2500 VAN 10 Body Control (BCM); (center dash), 6.0L
TAHOE 10 Body Control (BCM); (under steering column), ID 20815898
CTS 08-13 Body Control (BCM); LH dash
CAPTIVA SPORT 12 Body Control (BCM); (center dash), ID 20921436
EXPRESS 3500 VAN 10 Body Control (BCM); (center dash), 6.0L
G8 08-09 Body Control (BCM); (center dash)
IMPALA 13 Body Control (BCM); (LH dash), ID 22820315
SUBURBAN 1500 10 Body Control (BCM); (under steering column), ID 20815898
AVALANCHE 1500 10 Body Control (BCM); (under steering column), ID 25892622
EXPRESS 2500 VAN 10 Body Control (BCM); (center dash), 4.8L
EXPRESS 2500 VAN 10 Body Control (BCM); (center dash), 6.6L, VIN 6 (8th digit, opt LMM)
YUKON 10 Body Control (BCM); (under steering column), ID 20815898
ESCALADE 10 Body Control (BCM); (under steering column), ID 25892622
LUCERNE 06-11 Body Control (BCM); (right side dash)
CTS 08 Body Control (BCM); RH dash
ESCALADE ESV 10 Body Control (BCM); (under steering column), ID 25892622
EXPRESS 3500 VAN 10 Body Control (BCM); (center dash), 4.8L
SAVANA 2500 VAN 08-09 Body Control (BCM); (center dash)
SAVANA 3500 VAN 10 Body Control (BCM); (center dash), 4.8L
SAVANA 3500 VAN 10 Body Control (BCM); (center dash), 6.0L
YUKON XL 1500 10 Body Control (BCM); (under steering column), ID 25892622
ESCALADE 10 Body Control (BCM); (under steering column), ID 20815898
SRX 07-09 Body Control (BCM); LH dash
ESCALADE ESV 10 Body Control (BCM); (under steering column), ID 20815898
EXPRESS 3500 VAN 11-12 Body Control (BCM)
HUMMER H2 08-09 Body Control (BCM); (LH firewall)
SAVANA 3500 VAN 11-12 Body Control (BCM)
VUE 08-10 Body Control (BCM); (center dash)
CAPRICE 11-13 Body Control (BCM)
ENCLAVE 08-12 Body Control (BCM); (LH dash)
EXPRESS 2500 VAN 08-09 Body Control (BCM); (center dash)
SAVANA 2500 VAN 10 Body Control (BCM); (center dash), 6.6L, VIN 6 (8th digit, opt LMM)
Frequently Asked Questions
2008-2012 Savana 2500 BCM
Will this fix my ‘Service Theft System’ message?
A faulty BCM is a very common cause of issues with the vehicle’s anti-theft and security system. While we cannot guarantee it will solve your specific problem without a proper diagnosis, replacing a known-bad often resolves these types of warnings.