Are you chasing down frustrating electrical gremlins in your 2001 Oldsmobile Bravada or other GM truck/SUV? From flickering lights and dead power windows to a security system that won’t cooperate, a failing Body Control Module (BCM) can turn your reliable vehicle into a source of daily headaches. As a technician with over two decades of experience, I’ve seen firsthand how a faulty BCM can mimic a dozen other problems, leading to wasted time and money on incorrect diagnoses. This is the central nervous system for your vehicle’s comfort and convenience features, and when it fails, chaos ensues.
This isn’t just a replacement part; it’s a complete, ready-to-install solution. We take the hassle out of the repair by programming this module specifically for your vehicle using your VIN. This means it arrives at your door with the latest GM software updates already loaded, eliminating the need for an expensive trip to the dealership for programming. You get a reliable fix that restores factory functionality right out of the box.
A Technician’s Notebook: The 2001 Blazer with a Mind of Its Own
I remember a 2001 Chevy S10 Blazer that came into the shop a few years back. The owner was at his wit’s end. The dome light would stay on, the radio would randomly shut off, and the power locks worked intermittently. He’d already replaced the battery and checked all the fuses. On the surface, it looked like multiple, unrelated issues. After connecting my scan tool, I found a series of communication error codes (U-codes) pointing back to one component: the BCM. It was failing internally, sending corrupt data across the vehicle’s network. We installed a pre-programmed BCM, just like this one, and in under an hour, every single one of his electrical problems vanished. It’s a powerful reminder of how this single module is the key to so many functions.
Is Your Vehicle Showing These Symptoms?
- ✔ Erratic or non-functional power windows, door locks, or mirrors.
- ✔ Interior or exterior lights flickering, staying on, or not working at all.
- ✔ The security or anti-theft light is on, potentially causing a no-start condition.
- ✔ Gauges on the instrument cluster behaving erratically or not working.
- ✔ Diagnostic trouble codes (DTCs) related to communication errors (U-codes) or BCM internal faults.
- ✔ Intermittent issues that seem to have no logical cause.
Your Straightforward BCM Installation Guide
Installing your new 2001 Bravada Body Control Module is a manageable job for a confident DIYer. For the Bravada and S10/Jimmy platforms, the BCM is typically located behind the right side of the dashboard (glove box area).
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before beginning any electrical work.
- Access the Module: You will likely need to remove the glove box or a lower dash panel to gain access to the BCM. It’s a black plastic box with several large electrical connectors.
- Swap the BCM: Carefully unplug all wire harness connectors from the old module. Unbolt or unclip it from its mounting bracket and remove it. Install the new module in its place and securely reconnect all connectors.
- Reconnect Power: Re-install any panels you removed and reconnect the negative battery terminal.
- Final Checks: Turn the key to the ‘ON’ position (without starting the engine) for 10-15 seconds to allow the systems to initialize. Then, start the vehicle and test all functions: lights, windows, locks, radio, etc.
Important Post-Installation Information
While this module is programmed for your VIN, some vehicle systems may require a handshake procedure to recognize the new BCM. Please be aware of the following possibilities:
- Airbag System Sync: If your airbag warning light is illuminated after installation, a professional scan tool is 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 recalibration might be necessary to ensure correct brake light and traction control operation.
Disclaimer: These procedures can vary. Always consult a factory service manual or a qualified technician for vehicle-specific guidance.
Verified Vehicle Compatibility
This module is a direct replacement for part numbers 19208539, 9371990, and 9385236 and fits the following vehicles:
- 2001 Oldsmobile Bravada (center dash)
- 2001 Chevrolet S10 / GMC Sonoma (center dash)
- 2001 Chevrolet Blazer S10 / GMC Jimmy S15 (center dash, ID 9385236)
- 2001 Chevrolet Astro / GMC Safari (LH dash)
- 2000 Chevrolet Tahoe (LH dash, ID 9385236)
- 2000 GMC Yukon (exc. Denali, LH dash, ID 9385236)
- 2000 Chevrolet Suburban 1500 & 2500 (LH dash, ID 9385236)
- 2000 GMC Yukon XL 1500 & 2500 (LH dash, ID 9385236)
- 2000 Chevrolet Silverado 1500 & 2500 (LH dash, ID 9371990 or 9385236)
- 2000 GMC Sierra 1500 & 2500 (LH dash, ID 9371990 or 9385236)
How does the VIN programming work?
How does the VIN programming work?
After you place your order, simply provide us with your vehicle’s 17-digit VIN. Our technicians will use it to load the latest, most stable GM software specific to your vehicle’s configuration onto the module before shipping. This ensures compatibility and proper function.
Do I need to send my old BCM back?
No, there is no core charge for this part. You can keep your old module, which saves you the time and expense of return shipping.
What if my airbag light comes on after installation?
This is an indication that the BCM needs to be electronically introduced to the vehicle’s airbag control module (SDM). A repair shop with a professional-grade scan tool can perform the ‘Setup SDM Primary Key in BCM’ procedure to resolve this.
Is this a difficult part to install myself?
For someone with basic mechanical skills and tools, it’s a very manageable job. The main challenge is typically accessing the module’s location behind the dashboard. Since our module is pre-programmed, no special computer equipment is needed for the installation itself.