Restore Your Van’s Electrical System with a Pre-Programmed BCM
Are you battling frustrating electrical issues in your GMC Savana or Chevrolet Express van? Problems like flickering lights, malfunctioning power windows and locks, a security system that acts up, or even a vehicle that refuses to start can often be traced back to a single component: the Body Control Module (BCM). The BCM is the central computer for your vehicle’s body electronics, and when it fails, it can cause a wide range of confusing and intermittent symptoms. This replacement Body Control Module is the definitive solution to get your workhorse van back in reliable, working order.
From the Diagnostic Bay
We had a 2011 Savana 2500 towed in that was driving the owner crazy. The battery would be dead every other morning, the interior lights would sometimes stay on, and the power locks worked only when they felt like it. The owner had already replaced the battery and alternator. After running diagnostics, we traced a parasitic draw back to the BCM. It wasn’t properly going to ‘sleep’ when the van was off, draining the battery overnight. Installing a VIN-programmed Savana 2500 Body Control Module like this one solved all the issues at once. The van was back on the road the next day, and the owner was thrilled to have his reliable vehicle back.
Common Symptoms of a Failing BCM
- ✔ Erratic or non-functional interior and exterior lights (headlights, taillights, dome lights).
- ✔ Power windows, door locks, or mirrors not working correctly.
- ✔ Malfunctioning security system or horn honking randomly.
- ✔ Instrument cluster gauges behaving erratically or not working at all.
- ✔ Unexplained battery drain leading to a no-start condition.
- ✔ Trouble codes related to communication or body electronic circuits.
The Simple, Reliable Solution
Don’t let a faulty BCM keep your van off the road. This unit is a direct-fit replacement, but with a crucial benefit: we program it specifically for your vehicle before it ships. Simply provide us with your vehicle’s VIN during checkout, and our technicians will flash the module with the latest GM software updates. This ensures it communicates perfectly with your van’s other systems right out of the box, saving you a trip to the dealership and expensive programming fees. This is the most efficient way to replace your failing Savana 2500 Body Control Module.
Installation and Post-Install Notes
Installation is straightforward for those with basic mechanical skills. The BCM is typically located in the center dash area. While our programming handles the majority of the setup, some vehicles may require additional, simple procedures after installation:
- Airbag System Sync: If your airbag warning light is on after installation, a professional scan tool may be needed to perform the ‘Setup SDM Primary Key in BCM’ procedure. This syncs the new BCM with the airbag system.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor relearn might be necessary to ensure correct brake light and traction control operation.
Guaranteed Fitment
This BCM is a direct replacement for a wide range of GM vehicles and part numbers. If your original module has one of the following part numbers, this unit is the correct replacement for you: 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. It fits models like the Chevy Express, GMC Acadia, Chevy Impala, Cadillac DTS, and many more. Please verify your part number to ensure compatibility.
Frequently Asked Questions
Do I need to get this BCM programmed by a dealer?
No. We handle all the programming for you before we ship the part. Just provide your vehicle’s VIN at checkout, and it will arrive ready to install with the latest GM software.
What is a BCM and what does it control?
The Body Control Module (BCM) is a computer that manages your vehicle’s non-engine related functions. This includes power windows, locks, lights, the security system, wipers, and instrument panel functions.
Is this part difficult to install?
For someone with basic automotive repair experience, the installation is manageable. The BCM is usually located under the dash. The most important part is disconnecting the battery before you begin.
What if my airbag light comes on after I install it?
This is uncommon, but if it happens, it means the new BCM needs to be synced with the airbag system (SDM). This requires a professional scan tool to perform the ‘Setup SDM Primary Key in BCM’ procedure.
Do I need to send my old part back?
No, there is no core charge for this module. You can keep your original part.
How do I know if the BCM is really my problem?
A failing BCM typically causes multiple, seemingly unrelated electrical issues. If you’re experiencing several of the symptoms listed above, the BCM is a very likely culprit. A professional diagnosis is the only way to be 100% certain.