Is Your GM Truck or SUV Experiencing Electrical Gremlins?
If you’re dealing with bizarre and frustrating electrical issues in your 1998-2000 GM truck, SUV, or van, a failing Body Control Module (BCM) is the most likely culprit. The BCM is the central command center for your vehicle’s body electronics, managing everything from power windows and door locks to the interior lights, security system, and instrument cluster gauges. When it starts to fail, it can create a cascade of problems that seem unrelated and are difficult to diagnose.
The Direct-Fit Solution: A VIN-Programmed Module
Don’t let a faulty module keep your truck off the road. This isn’t just a used part pulled from a junkyard; it is a thoroughly inspected and tested Body Control Module that is professionally programmed to your vehicle’s specific Vehicle Identification Number (VIN). This critical step ensures that the module communicates perfectly with your truck’s existing systems, including the engine computer, anti-lock brakes, and security system. We load it with the latest GM software updates, often correcting factory flaws and improving performance. This is the most reliable and efficient way to solve your BCM-related headaches.
Common Symptoms of a Failing 1998-2000 GM BCM
- ✔ Power windows, door locks, or mirrors work intermittently or not at all.
- ✔ Interior or exterior lights (headlights, dome lights, dash lights) flicker or behave erratically.
- ✔ The factory security system acts up, causing a no-start condition or the alarm to go off randomly.
- ✔ Instrument panel gauges are inaccurate, dead, or sweep unexpectedly.
- ✔ The radio or other accessories turn on and off by themselves.
- ✔ You see a “Security” light illuminated on the dashboard.
- ✔ Diagnostic trouble codes (DTCs) related to communication loss with the BCM are present.
Simple Installation Process
This module is designed for a straightforward installation. On most compatible vehicles, the BCM is located under the driver’s or passenger’s side of the dashboard. Simply disconnect the negative battery terminal, locate your old BCM, unplug the electrical connectors, remove it, and install the new one in its place. Once the connectors are secured and the battery is reconnected, your vehicle’s core functions will be restored. In some cases, a simple relearn procedure may be required.
Post-Installation Procedures
While this module is programmed for your VIN, certain vehicle systems may need to be synchronized after installation. Please be aware of the following potential requirements:
- Airbag System Sync: If the airbag warning light is on after installation, a “Setup SDM Primary Key in BCM” procedure is necessary. This requires a professional-grade scan tool to sync the new BCM with the airbag system.
- Brake Pedal Position Relearn: On some models, a recalibration of the brake pedal position sensor may be needed to ensure correct brake light operation and traction control function.
Guaranteed Fitment for Part Number 19153625
This BCM is a direct replacement for part number 16257125 and other interchangeable numbers listed below. It fits a wide range of popular GM models:
- Chevrolet S10/Blazer (1998-2000)
- GMC S15 Sonoma/Jimmy (1998-2000)
- Chevrolet Silverado 1500/2500 (1999-2000)
- GMC Sierra 1500/2500 (1999-2000)
- Chevrolet Astro / GMC Safari (2000)
- Oldsmobile Bravada (1998)
- Isuzu Hombre (1999-2000)
This module replaces the following part numbers: 19153625, 8191536250, 16257125, 191583625, 8093668010, 8162571250, 09366801.
Frequently Asked Questions
Why do you need my VIN?
Your vehicle’s VIN (Vehicle Identification Number) is essential for programming the BCM. It contains specific information about your truck’s options, like the type of transmission, security system, and power accessories. Programming with the VIN ensures the module works correctly right out of the box.
Is this a plug-and-play part?
Yes, for the most part. Because we pre-program it to your VIN, it eliminates the need for expensive dealer programming. You simply install it. However, as noted, some vehicles may require an additional relearn procedure for the airbag or brake systems if a warning light appears.
Where is the BCM located on my truck?
On most S10/Blazer/Jimmy models, it’s behind the center of the dash. On Silverado/Sierra and Astro/Safari models, it’s typically located on the driver’s side (LH) of the dash. A quick search for your specific model will provide exact location details.
Do I need to send my old BCM back?
No, there is no core charge for this part. You can keep your original module.
What tools are required for installation?
Basic hand tools are all that’s needed for the physical installation, typically a socket set and a screwdriver or trim removal tool to access the module. A professional scan tool may be required for post-installation procedures if warning lights are present.