Restore Control and Eliminate Electrical Gremlins
Are you chasing down frustrating electrical issues in your 2000 GM truck or SUV? Flickering interior lights, malfunctioning power windows and locks, a security light that won’t turn off, or gauges that seem to have a mind of their own are all classic signs of a failing Body Control Module (BCM). The BCM is the central command center for your vehicle’s body electronics, and when it fails, it can cause a cascade of confusing problems. This replacement BCM is the definitive solution, arriving pre-programmed to your vehicle’s specific VIN for a straightforward installation that gets you back on the road without a costly trip to the dealership.
From the Diagnostic Bay
I remember a 2000 Tahoe that came into my shop with a laundry list of bizarre symptoms. The owner was at his wit’s end. The radio would turn on and off, the dome light would flicker while driving, and sometimes the truck wouldn’t start, flashing the security light. A scan tool showed a loss of communication with multiple modules. Instead of spending hours chasing wires, my experience pointed directly to the BCM. We ordered a VIN-programmed module like this one. The swap took less than 30 minutes, and instantly, all the electrical gremlins were gone. The customer saved hundreds compared to the dealer quote and drove away with a reliable truck again. This is the exact fix for that exact problem.
Is Your GM Truck Showing These Symptoms?
A failing BCM can manifest in many ways. If you’re experiencing any of the following, this module is likely the component you need to restore proper function.
- ✔ Intermittent or non-working power windows, door locks, or mirrors.
- ✔ Erratic behavior from dashboard gauges or the driver information center.
- ✔ Interior or exterior lights that flicker, stay on, or don’t work at all.
- ✔ A persistent security or anti-theft light (Passlock) that may prevent the engine from starting.
- ✔ Horn honking unexpectedly or not working when pressed.
- ✔ Communication error codes (U-codes) when scanned with a diagnostic tool.
A Straightforward Guide to Installation
Installing your new 2000 Yukon XL 2500 BCM is a manageable job for a DIYer with basic tools. Since we program the module to your VIN before shipping, you can avoid the expensive programming fees charged by dealerships.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait at least 10 minutes before beginning.
- Locate the BCM: On these GM models, the BCM is typically found under the driver’s side of the dashboard, to the left of the steering column. You may need to remove a lower dash panel for access.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. They have locking tabs that need to be depressed. Once disconnected, unbolt or unclip the module from its mounting bracket.
- Install the New Module: Mount the new BCM in the same location and securely reconnect all electrical harnesses. Ensure they click into place.
- Reconnect Power: Reattach the negative battery terminal.
- Test Functions: Start the vehicle and test all body functions: windows, locks, lights, wipers, and radio to confirm the repair.
Important Post-Installation Notes
In some cases, additional steps with a professional scan tool may be required to ensure all vehicle systems communicate correctly with the new BCM. Please be aware of the following possibilities:
- Airbag System Sync: If your airbag warning light is illuminated after installation, a procedure called ‘Setup SDM Primary Key in BCM’ is needed to sync the airbag system. This requires a compatible high-end diagnostic tool.
- Brake Pedal Position Relearn: A recalibration of the brake pedal position sensor might be necessary to ensure correct brake light operation and to prevent issues with the traction control system.
Verified Vehicle Compatibility
This Body Control Module is a direct-fit replacement for several 2000 model year GM SUVs. Please verify your vehicle and ensure your original module has part number 9377486, or one of the interchangeable numbers (16257155, 15136876, 09377486) printed on the label.
- 2000 Chevrolet Suburban 1500
- 2000 Chevrolet Suburban 2500
- 2000 Chevrolet Tahoe
- 2000 GMC Yukon (excluding Denali models)
- 2000 GMC Yukon XL 1500
- 2000 GMC Yukon XL 2500
Frequently Asked Questions
Do I need to program this BCM?
No. We handle all the programming for you. Simply provide your vehicle’s 17-digit VIN during checkout, and we will flash the module with the latest GM software specific to your truck before we ship it.
Where is the BCM located on my 2000 Yukon?
The Body Control Module is located on the driver’s side, deep under the dashboard to the left of the steering column. You will likely need to remove the lower plastic dash panel to see and access it.
Is there a core charge for my old part?
No, there is no core charge. You can keep your original module, which saves you the time and expense of shipping a core back to us.
Will this fix my security light issue?
Yes, in most cases, a faulty BCM is the root cause of security system (Passlock) problems on these vehicles. Replacing it with this pre-programmed unit is a very common and effective repair for that specific issue.
What if the airbag light comes on after I install it?
This can happen occasionally as the new BCM needs to be synced with the airbag module (SDM). A mechanic with a professional-grade scan tool will need to perform the ‘Setup SDM Primary Key in BCM’ procedure to resolve this.
What makes this different from a part from the dealership?
Our module offers the same reliability but with a significant advantage: it arrives pre-programmed and ready for installation. A dealer part would require you to have the vehicle towed to them for an additional, costly programming service.