Restore Full Functionality to Your Vehicle’s Electronics
Are you dealing with frustrating and unpredictable electrical problems in your GM truck or van? Flickering interior lights, power windows that won’t cooperate, or a security light that prevents your engine from starting are all classic signs of a failing Body Control Module (BCM). As the central hub for your vehicle’s comfort and convenience features, a faulty BCM can make driving a daily headache. This replacement 2000 Astro BCM is the definitive solution, arriving at your door pre-programmed to your vehicle’s specific VIN. We handle the complex part so you can get back on the road without a costly trip to the dealership.
A Technician’s Notebook: The Silverado with a Mind of Its Own
I remember a 1999 Silverado that came into the bay with a laundry list of bizarre symptoms. The owner said the radio would randomly shut off, the dome light would flicker while driving, and sometimes the truck wouldn’t start, showing the security light. He’d already replaced the battery and checked the grounds. After hooking up the scan tool, I saw multiple communication loss codes (U-codes) pointing to the BCM. Instead of sending him to a dealer for a new module and programming, we used one of these VIN-programmed units. The physical swap took less than 30 minutes, and the truck started right up with zero issues. It’s a perfect example of how the right part saves hours of diagnostic time and hundreds of dollars.
Is Your GM Vehicle Showing These BCM Failure Signs?
A failing BCM can cause a wide range of issues that seem unrelated. If you’re experiencing any of the following, your Body Control Module is the likely culprit:
- ✔ Erratic or non-functional power windows, door locks, or mirrors.
- ✔ Interior or exterior lights that stay on, flicker, or don’t work at all.
- ✔ The security or anti-theft light is illuminated, causing a no-start condition.
- ✔ Horn honking unexpectedly or not working when pressed.
- ✔ Intermittent warning lights on the instrument cluster.
- ✔ Diagnostic Trouble Codes (DTCs) related to communication loss, such as U0140, U0155, or other U-codes.
Your Straightforward BCM Installation Guide
Installing your new BCM is a manageable job for a DIYer with basic tools. While the exact location can vary slightly, this guide provides the general steps for a successful installation.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before working on any electronic components.
- Locate the BCM: On the 2000 Astro and many similar models, the BCM is typically found under the driver’s side of the dashboard, to the left of the steering column.
- 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 your new, pre-programmed BCM in the same location and securely re-attach all electrical connectors. You should hear a ‘click’ as they lock into place.
- Reconnect and Test: Reconnect the negative battery terminal. Turn the key to the ‘On’ position and test all body functions—lights, locks, windows, etc.—to confirm the repair.
Important Post-Installation Information
Your new BCM comes programmed and ready for installation. However, in some cases, your vehicle’s other systems may need to be re-synced with the new module. Please be aware of the following potential procedures:
- Airbag System Sync: If your airbag warning light is on after installation, a procedure called ‘Setup SDM Primary Key in BCM’ is required. This must be performed with a professional-grade diagnostic tool to sync the airbag system with the new BCM.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration might be necessary to ensure the brake lights and traction control system function correctly.
Verified Compatibility for Your GM Truck or Van
This Body Control Module is a direct replacement for part numbers 19153625, 8191536250, 16257125, 191583625, 8093668010, 8162571250, and 09366801. It is guaranteed to fit the following vehicles:
- 1998-2000 S10/S15/SONOMA (Body Control, center dash, ID 16257125)
- 1998-2000 BLAZER S10/JIMMY S15 (Body Control, center dash, ID 16257125)
- 2000 ASTRO (Body Control, LH dash)
- 2000 SAFARI (GMC) (Body Control, LH dash)
- 1999-2000 SIERRA 1500 PICKUP (Body Control, LH dash)
- 1999-2000 SILVERADO 1500 PICKUP (Body Control, LH dash)
- 1999-2000 SIERRA 2500 PICKUP (Body Control, LH dash)
- 1999-2000 SILVERADO 2500 PICKUP (Body Control, LH dash)
- 1998 BRAVADA (Body Control, center dash, w/extended build date opt ZN4)
- 1999-2000 ISUZU HOMBRE (Body Control, LH dash)
Do I need to have this BCM programmed by a dealer?
Do I need to have this BCM programmed by a dealer?
No. We save you that hassle and expense. This BCM is professionally flashed with the latest GM software and programmed to your vehicle’s specific VIN before we ship it. It arrives ready to install.
How do I provide my VIN?
After you complete your purchase, simply send us a message with your 17-digit Vehicle Identification Number (VIN). We cannot program and ship your module without it.
Is there a core charge for this part?
No, there is absolutely no core charge. You can keep your old BCM, so you don’t have to worry about the cost or inconvenience of shipping it back.
What does the Body Control Module (BCM) actually do?
The BCM acts as the computer for your vehicle’s body electronics. It controls functions not related to the engine, such as power windows, power locks, interior and exterior lighting, the horn, the anti-theft system, and more.
What if my part number isn’t an exact match to 8162571250?
This module is a direct replacement for a wide range of original part numbers, including 16257125, 19153625, and others listed in the description. As long as your vehicle is on the compatibility list, this module will work for you.