Restore Full Functionality to Your GM Vehicle
Is your Chevrolet Express or another GM vehicle acting up with strange electrical problems? Power windows with a mind of their own? A security light that won’t turn off, preventing the engine from starting? These aren’t just minor annoyances; they’re classic signs of a failing Body Control Module (BCM). The BCM is the central nervous system for your vehicle’s comfort and security features, and when it fails, it can cause a cascade of frustrating issues. This is a direct-fit, reliable solution to get your vehicle operating correctly again.
A Technician’s Notebook: The Work Van That Wouldn’t Cooperate
A customer brought in his 2011 Express 2500 work van last month with a list of complaints that seemed unrelated. The radio would turn off randomly, the interior dome lights flickered, and occasionally, the power door locks would stop responding. He had already replaced the battery and checked fuses, but the problems persisted. After connecting my 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. We installed a VIN-programmed BCM, performed the necessary key and sensor relearns, and the van’s electrical gremlins were gone. It’s a common failure, but with the right part, it’s a straightforward fix.
Is Your Vehicle Showing These Symptoms?
- ✔ Intermittent or non-working power windows, door locks, or mirrors.
- ✔ Erratic interior or exterior lighting behavior.
- ✔ Security or anti-theft system lights illuminated on the dash.
- ✔ A no-start condition where the engine cranks but won’t fire up.
- ✔ False warnings on the driver information center (e.g., ‘Service Tire Monitor System’).
- ✔ Communication errors when a scan tool is connected.
The Smart Solution: VIN-Programmed and Ready for Installation
Don’t waste time and money with a trip to the dealership. We take the hassle out of the repair by programming this 2008-2012 Express 2500 BCM to your vehicle’s specific Vehicle Identification Number (VIN) before it ships. This ensures it has the latest GM software updates and is ready to communicate with your vehicle’s other electronic modules right out of the box. Simply provide your VIN at checkout, and we handle the complex programming for you.
A Straightforward Guide to BCM Installation
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before beginning any electrical work.
- Locate the BCM: On most Express and Savana vans, the BCM is located in the center dash area. On other GM models, it may be under the driver’s side dash or near the steering column. A quick search for your specific model will confirm the location.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. They have locking tabs that must be depressed. Once disconnected, remove any bolts or clips holding the module in place and remove it from the vehicle.
- Install the New BCM: Mount your new, pre-programmed BCM in the same location and securely reconnect all electrical connectors. Ensure they click into place.
- Perform Relearn Procedures: Reconnect the battery. You will now need a capable diagnostic scan tool to perform two critical procedures: the ‘Setup SDM Primary Key in BCM’ to clear any airbag faults, and potentially a ‘Brake Pedal Position Sensor Relearn’. These steps are essential for safety and full functionality.
Verified Vehicle Compatibility
This BCM, part number 15828601, is a direct replacement for a wide range of GM vehicles and interchanges with numerous part numbers. Please verify your vehicle is on this list. It is compatible with the following part numbers: 10382479, 15093910, 15276271, 15299986, 15819552, 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.
ACADIA 07-12 | AVALANCHE 1500 10 | 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 1500/2500/3500 VANS 08-12 | G8 08-09 | HUMMER H2 08-09 | IMPALA 06-13 | LUCERNE 06-11 | MONTE CARLO 06-07 | OUTLOOK 07-10 | SAVANA 1500/2500/3500 VANS 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 a Body Control Module do?
The BCM is a computer that manages many of your vehicle’s non-engine-related functions. This includes power windows, locks, lights, the alarm system, wipers, and various other comfort and convenience features. It acts as a hub, communicating with different switches and sensors throughout the vehicle.
Why do you need my VIN number?
Your Vehicle Identification Number (VIN) allows us to program the BCM with the specific software and settings for your vehicle’s exact configuration, including options like power seats, sunroof, or specific lighting packages. This ensures a seamless, plug-and-play installation without needing a trip to the dealer for programming.
Is this a difficult part to replace for a DIYer?
The physical replacement is generally straightforward for someone with basic mechanical skills. It involves removing some dash panels and unplugging connectors. The most critical part is having access to a bi-directional scan tool after installation to perform the necessary relearn procedures for the airbag and brake systems.
What happens if I don’t do the relearn procedures?
Skipping the relearn procedures can leave you with persistent warning lights, such as the airbag light, and can affect the proper function of safety systems. For example, the brake pedal position sensor is crucial for the proper operation of the anti-lock brakes and stability control systems.
Will this BCM fix my no-start problem?
If your no-start issue is caused by the anti-theft system (often indicated by a flashing security light), a faulty BCM is a very likely cause. This pre-programmed module is designed to resolve those communication-based security faults.