Restore Full Functionality to Your GM Truck or SUV
Are you chasing down bizarre electrical issues in your truck? Flickering lights, power windows with a mind of their own, a security light that won’t turn off, or even a no-start condition can all point to one culprit: a failing Body Control Module (BCM). As the central hub for your vehicle’s body electronics, when the BCM starts to go, it can create a cascade of frustrating and unpredictable problems. This isn’t just an annoyance; it affects your vehicle’s reliability and your peace of mind.
This replacement Body Control Module is the definitive solution for your 2000 Silverado 2500 and a wide range of other GM vehicles from that era. We take the guesswork and hassle out of the repair. Unlike sourcing a part from a salvage yard or getting a blank module from a parts store, this BCM arrives at your door pre-programmed to your vehicle’s specific VIN. We flash it with the latest GM software updates, ensuring optimal performance and compatibility right out of the box. This saves you a costly trip to the dealership for programming, making it a perfect solution for both seasoned mechanics and capable DIYers.
A Technician’s Notebook: The Ghost in the Machine
I remember a 2000 Sierra 1500 that came into the shop with a laundry list of complaints from the owner. The radio would turn on and off, the dome light would stay on, and sometimes the truck just wouldn’t crank. He’d already replaced the battery and checked the alternator. After hooking up the scan tool, I found a series of communication error codes (U-codes) pointing to the BCM. These modules, especially on the GMT800 platform, are notorious for internal solder joint failures after two decades of heat cycles. The intermittent nature of the problem was a classic sign. We installed a VIN-programmed BCM just like this one, and every single electrical gremlin vanished. It’s a satisfying fix that restores the truck to its reliable, functional self.
Is Your GM Truck Showing These Symptoms?
- ✔ Erratic or non-functional power windows, locks, or mirrors.
- ✔ Interior or exterior lights flickering, staying on, or not working at all.
- ✔ The security or anti-theft light stays illuminated, preventing the engine from starting.
- ✔ Gauges on the instrument cluster behaving erratically or not working.
- ✔ The radio or other accessories randomly turning on or off.
- ✔ Communication error codes stored, such as U0140 (Lost Communication With Body Control Module).
- ✔ Inconsistent horn operation or remote keyless entry failure.
Your Straightforward Guide to Installation
Replacing the BCM is a manageable job for those with basic mechanical skills. While the exact location can vary slightly, this guide provides a general overview for a 2000 Silverado 2500 Pickup.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait a few minutes before starting work.
- Locate the BCM: On most GMT800 trucks and SUVs, the BCM is located 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 Connectors: Carefully unplug all electrical connectors from the old BCM. They have locking tabs that need to be depressed. Do not force them.
- Remove the Old Module: The BCM is typically held in place by a few screws or retaining clips. Remove these and slide the old module out.
- Install the New BCM: Seat your new, pre-programmed BCM into the mounting bracket and secure it. Reconnect all electrical connectors firmly until they click into place.
- Reconnect Battery & Test: Reinstall any trim panels you removed, reconnect the negative battery terminal, and start the vehicle. Test all functions like lights, windows, locks, and gauges.
Post-Installation Note: In some cases, additional vehicle-specific relearn procedures may be required for systems like the airbags or brake pedal position sensor. If an airbag light appears, a professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ procedure. Always consult a service manual for your specific model if you are unsure.
Will This Fit My Vehicle?
This module is a direct replacement for service part numbers 19208539, 9371990, and 9385236. It is confirmed to fit the following vehicles and options. Please provide your VIN upon purchase to ensure perfect programming for your specific application.
- ASTRO 01 Body Control (BCM); (LH dash)
- BLAZER S10/JIMMY S15 01 Body Control (BCM); (center dash), ID 9385236
- BRAVADA 01 Body Control (BCM); (center dash)
- SAFARI (GMC) 01 Body Control (BCM); (LH dash)
- S10/S15/SONOMA 01 Body Control (BCM); (center dash)
- SIERRA 1500 PICKUP 00 Body Control (BCM); (LH dash), ID 9371990 or 9385236
- SIERRA 2500 PICKUP 00 Body Control (BCM); (LH dash), ID 9385236
- SILVERADO 1500 PICKUP 00 Body Control (BCM); (LH dash), ID 9371990 or 9385236
- 2000 SILVERADO 2500 PICKUP Body Control (BCM); (LH dash), ID 9385236
- SUBURBAN 1500 00 Body Control (BCM); (LH dash), ID 9385236
- SUBURBAN 2500 00 Body Control (BCM); (LH dash), ID 9385236
- TAHOE 00 Body Control (BCM); (LH dash), ID 9385236
- YUKON 00 Body Control (BCM); exc. Denali; (LH dash), ID 9385236
- YUKON XL 1500 00 Body Control (BCM); (LH dash), ID 9385236
- YUKON XL 2500 00 Body Control (BCM); (LH dash), ID 9385236
Frequently Asked Questions
How does the programming process work?
It’s simple. After you complete your purchase, you provide us with your vehicle’s 17-digit VIN. Our technicians then use this VIN to flash the BCM with the correct GM software and vehicle-specific calibrations before we ship it to you.
Do I need to send my old BCM back?
No. There is absolutely no core charge for this part. You can keep your original module, which can be helpful if you ever need to reference its part number in the future.
Is this a difficult part for a DIYer to install?
For most individuals comfortable with basic hand tools and working under a dashboard, this is a very manageable installation. The biggest benefit is that the programming is already done, which is typically the most difficult part of the job.
What if my airbag light comes on after installation?
This can happen occasionally. It means the new BCM needs to be synced with the airbag’s Sensing and Diagnostic Module (SDM). A procedure called ‘Setup SDM Primary Key in BCM’ must be performed with a bi-directional scan tool, which is common equipment at most professional repair shops.
Will this fix my no-start problem?
A failing BCM is a very common cause of a no-start or intermittent crank condition, especially if the security light is on. While we can’t diagnose your vehicle remotely, replacing a faulty BCM often resolves these specific issues.