End the Electrical Chaos: A Reliable Fix for Your GM Vehicle
Are you chasing down bizarre electrical issues in your GM car, truck, or van? One minute the power locks work, the next they don’t. The dashboard lights up with random warnings, or worse, the vehicle refuses to start intermittently. As a technician with over two decades of experience, I’ve seen these frustrating symptoms hundreds of times. More often than not, the culprit is a failing Body Control Module (BCM). It’s the central command center for your vehicle’s body electronics, and when it goes, it creates chaos. This isn’t just an annoyance; it can be a serious safety concern when lights or security systems malfunction.
This GM Body Control Module is the definitive solution. We take the guesswork and hassle out of the repair. Simply provide your vehicle’s VIN during checkout, and our experts will program the module with the latest GM software specifically for your vehicle. It arrives at your door ready to install, saving you a costly trip to the dealership for programming. You get a reliable part that restores function and peace of mind, all without the dealership price tag.
Case Study: A Tricky Diagnosis
I remember a 2009 Chevy Express 2500 that came into my shop. The owner, a contractor, was at his wit’s end. The van would randomly not start, the dome lights would flicker, and the radio would cut out. He’d already replaced the battery and checked the alternator. After hooking up my scan tool, I found a flurry of U-codes (communication errors) between various modules. This is a classic sign of a BCM failure. The BCM acts as a network gateway, and when it fails, it can’t route messages correctly, causing system-wide confusion. We installed a VIN-programmed BCM, and all the issues vanished instantly. It’s a repair that brings immense relief to the vehicle owner.
Is Your GM Vehicle Showing These Symptoms?
A faulty BCM can manifest in numerous ways. If you’re experiencing any of the following, it’s a strong indicator that your Body Control Module needs replacement:
- ✔ Erratic or non-functional power windows, door locks, and mirrors.
- ✔ Interior or exterior lights that stay on, flicker, or won’t turn on at all.
- ✔ The security system acting up, causing no-start conditions or false alarms.
- ✔ Inconsistent or non-working radio and climate controls.
- ✔ Warning lights (like Airbag or ABS) on the dash with no apparent cause.
- ✔ Communication error codes, such as U0100, U0140, or other U-series faults.
- ✔ Wipers that operate on their own or not at all.
A Straightforward Guide to BCM Installation
Replacing the BCM is a manageable job for a DIY enthusiast. While the location varies (check your vehicle’s fitment details below), the general process is similar. Always consult a service manual for specifics.
- Safety First: Disconnect the negative terminal from your vehicle’s battery to prevent electrical shorts.
- Locate the BCM: It’s typically found under the driver’s or passenger’s side of the dashboard, or in the center console area. You may need to remove a few plastic trim panels for access.
- Disconnect and Remove: Carefully unplug the electrical connectors. Most have a locking tab that needs to be depressed or lifted. Once disconnected, unbolt or unclip the old BCM and remove it.
- Install the New Module: Mount your new, pre-programmed BCM in the same location. Secure it and plug in all the electrical connectors firmly until they click into place.
- Reconnect and Test: Reconnect the negative battery terminal. Turn the key to the ‘On’ position and test all body functions—windows, locks, lights, wipers, etc.—to ensure everything is working correctly.
- Perform Relearns (If Needed): In some cases, you may need to perform additional procedures. If your airbag light is on, an “Airbag System Sync” (Setup SDM Primary Key) is required. A “Brake Pedal Position Relearn” might also be necessary for proper brake light and traction control operation. These steps typically require a professional-grade scan tool.
Verified Vehicle Compatibility
This module is a direct replacement for a wide range of GM vehicles. Please verify your model and any specific ID numbers listed below. This part replaces part numbers: 10382479, 15093910, 15276271, 15299986, 15819552, 15828601, and many more.
AVALANCHE 1500 10 (under steering column), ID 25892622
CAPRICE 11-13
CAPTIVA SPORT 12 (center dash), ID 20921435, 20921436, or 22860591
CTS 08-13 (LH dash)
DTS 06-11 (RH center dash)
ENCLAVE 08-12 (LH dash)
EQUINOX 07-09 (center dash)
ESCALADE / ESV / EXT 10 (under steering column), ID 20815898 or 25892622
EXPRESS/SAVANA VANS 08-12 (center dash) – check engine/options
G8 08-09 (center dash)
HUMMER H2 08-09 (LH firewall)
IMPALA 06-13 (LH dash)
LUCERNE 06-11 (right side dash)
MONTE CARLO 06-07 (LH steering column)
OUTLOOK 07-10 (center dash)
SRX 07-09 (LH dash)
STS 10 (center dash)
SUBURBAN 1500 10 (under steering column), ID 20815898 or 25892622
TAHOE 10 (under steering column), ID 20815898 or 25892622
TORRENT 07-09 (center dash)
TRAVERSE 09-12 (LH dash)
VUE 08-10 (center dash)
YUKON / YUKON XL 1500 10 (under steering column), ID 20815898 or 25892622
…and more. Always match your part number or contact us with your VIN to confirm.
Frequently Asked Questions
Do I need to do any programming myself?
Do I need to do any programming myself?
No. We handle all the programming before shipment. We use your vehicle’s VIN to load the latest GM software, so it’s ready for installation right out of the box.
What is a core charge? Do I need to send my old part back?
There is absolutely no core charge on this BCM. You can keep your old module, which saves you the time and money of shipping it back.
Will this fix my airbag light?
If the BCM was the cause of the light, yes. However, after installation, the new BCM needs to be synced with the airbag system (SDM). This is called the ‘Setup SDM Primary Key’ procedure and requires a professional scan tool to complete and turn off the light.
What tools are required for the installation?
Basic hand tools are usually all that’s needed, such as a socket set and trim removal tools to access the module. For any post-installation relearn procedures, a high-end bidirectional scan tool is necessary.
How do I provide my VIN?
After you complete your purchase, you will receive instructions on how to send us your vehicle’s 17-digit VIN. We cannot program and ship your module without it.