Restore Full Electrical Function to Your GM Vehicle
If you’re dealing with baffling electrical problems in your GMC Safari, Chevy Astro, or GM truck—like power windows with a mind of their own, flickering interior lights, or a security light that won’t turn off—you’ve likely pinpointed the culprit: a failing Body Control Module (BCM). As the central command for your vehicle’s body electronics, a faulty BCM can cause a cascade of frustrating and unpredictable issues. This isn’t just an annoyance; it can affect vehicle security and safety. This module is your direct, reliable solution.
We take the guesswork and high dealership costs out of the equation. This BCM is not a generic, off-the-shelf part. It is a fully tested unit that will be professionally programmed with the latest GM software updates specifically for your vehicle using the VIN you provide. This critical step ensures that the module communicates correctly with your truck or van’s other systems right out of the box, saving you a trip to the dealer for expensive programming.
Case Study: The Ghost in the Astro Van
I remember a 2000 Chevy Astro that came into my shop a few years back. The owner was at his wit’s end. The dome lights would randomly turn on while driving, the power locks would cycle on their own, and occasionally the van wouldn’t start, showing a security light. He’d already replaced the battery and checked grounds. After connecting my scan tool, I saw several communication error codes pointing to the BCM. Instead of a costly new module and programming at the dealer, we installed a VIN-programmed unit just like this one. The swap took less than 30 minutes, and every single electrical gremlin was gone. It’s a common failure, and this is the most effective fix.
Common Signs of a Failing Body Control Module
A failing BCM can manifest in numerous ways. If your vehicle is experiencing any of the following, a faulty BCM is the most likely cause:
- ✔ Erratic or non-functional power windows and door locks.
- ✔ Interior dome lights or dashboard lights staying on or not working at all.
- ✔ The security or anti-theft system light is illuminated, potentially causing a no-start condition.
- ✔ Horn honking unexpectedly or not working when pressed.
- ✔ Wipers operating intermittently or not parking in the correct position.
- ✔ Communication Diagnostic Trouble Codes (DTCs) like U-series codes stored in the system.
A Straightforward Guide to Your BCM Replacement
Replacing the 2000 Safari BCM is a manageable job for a DIYer with basic tools. The key is our pre-programming service, which eliminates the most complex step.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait a few minutes to ensure all systems are powered down.
- Locate the BCM: On the 2000 GMC Safari and Chevy Astro, the BCM is typically located on the left-hand (driver’s) side of the dashboard, often behind the lower dash panel near the steering column. For S10/Blazer models, it’s often in the center dash.
- Remove Trim Panels: Carefully remove any plastic trim panels necessary to access the module. They are usually held by clips or a few screws.
- Disconnect and Remove: The BCM is held in a bracket. Unplug the electrical connectors—they have locking tabs you’ll need to depress. Then, unbolt or unclip the old module from its mounting bracket.
- Install the New BCM: Mount your new, pre-programmed BCM into the bracket and securely plug in all the electrical connectors. You should hear a ‘click’ as they lock into place.
- Reconnect and Test: Reinstall any trim panels you removed. Reconnect the negative battery terminal. Turn the key to the ‘On’ position and test all body functions: windows, locks, lights, wipers, and horn to confirm the repair.
Important Post-Installation Information
While our programming handles the majority of the setup, some GM vehicles may require a simple relearn procedure after installation. Please be aware of the following possibilities:
- Airbag System Sync: If you see an airbag warning light 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. This is only required if the light appears.
- Brake Pedal Position Relearn: On certain models, a brake pedal position sensor recalibration might be necessary for proper brake light and traction control operation.
Disclaimer: Specific procedures can vary by vehicle. Always consult a factory service manual or a qualified technician for guidance.
Verified Vehicle Compatibility List
This BCM is a direct replacement for part numbers 19153625, 8191536250, 16257125, 191583625, 8093668010, 8162571250, 09366801 and 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 SAFARI (GMC) (Body Control, LH dash)
- ✔ 2000 ASTRO (Body Control, LH dash)
- ✔ 1999-2000 SILVERADO 1500/2500 PICKUP (Body Control, LH dash)
- ✔ 1999-2000 SIERRA 1500/2500 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)
Frequently Asked Questions About the 2000 Safari BCM
Frequently Asked Questions
Why do you need my VIN number?
Your Vehicle Identification Number (VIN) allows us to program the BCM with the exact software and vehicle-specific options for your GMC Safari or other compatible model. This ensures seamless integration and prevents the need for a costly trip to the dealership for programming.
Is this part difficult to install myself?
For someone with basic mechanical skills, this is a very manageable installation. The most difficult part—programming—is already done for you. The physical replacement typically involves removing a few dash panels and swapping the module. See our installation guide above for the general steps.
What is a BCM and what does it do?
The Body Control Module (BCM) is a computer in your vehicle that controls and monitors a wide range of electronic accessories not related to the engine, such as power windows, locks, interior lighting, the security system, wipers, and the horn.
What happens if my airbag light comes on after I install it?
In some cases, the new BCM needs to be electronically ‘introduced’ to the airbag’s computer (SDM). This requires a ‘Setup SDM Primary Key in BCM’ procedure with a bi-directional scan tool. This is a simple procedure for any professional mechanic if it becomes necessary.
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.