Restore Your Truck’s Electrical System and Get Back on the Road
Are you battling frustrating electrical gremlins in your late 90s or early 2000s GM truck or SUV? From flickering lights and malfunctioning power windows to a security system that leaves you stranded, a failing Body Control Module (BCM) can turn your reliable vehicle into a source of constant headaches. The BCM acts as the central command center for your vehicle’s body electronics, and when it fails, it can cause a wide range of confusing and intermittent issues. This replacement Body Control Module, compatible with part numbers like 191583625 and 16257125, is the definitive solution to restore full functionality and peace of mind.
The Plug-and-Play Advantage: Programmed Specifically for Your Vehicle
Forget expensive dealership visits and the hassle of programming tools. We take the guesswork out of the repair. Simply provide us with your vehicle’s VIN during checkout, and our technicians will program this module with the latest GM software updates specific to your truck or SUV. It arrives at your door ready for a straightforward installation, saving you time, money, and the frustration of a vehicle that won’t cooperate. This is the most efficient way to solve complex electrical problems and ensure all systems communicate correctly from the moment you plug it in.
From the Diagnostic Bay
We had a 1999 Silverado 1500 in the shop that was driving the owner crazy. Every few days, he’d come out to a dead battery. He had already replaced the battery and alternator, but the parasitic drain persisted. After hours of diagnostics, we traced the draw to the BCM. It was failing to let the interior lighting relay go to ‘sleep’ after the truck was shut off, slowly draining the battery overnight. Swapping in a VIN-programmed BCM like this one solved the problem instantly. It’s often these hidden electronic faults that cause the most difficult-to-diagnose issues, and a faulty BCM is a common culprit on these models.
Common Symptoms of a Failing GM BCM 16257125
- ✔ Intermittent or non-working power windows, door locks, or mirrors.
- ✔ Erratic interior lights, headlights, or taillights that flicker or stay on.
- ✔ Vehicle security system (Passlock/Passkey) faults, causing a no-start or crank-no-start condition.
- ✔ False warning lights on the instrument cluster, such as ‘Door Ajar’ or ‘Security’.
- ✔ Unexplained battery drain that kills your battery overnight.
- ✔ Radio, climate controls, or other interior accessories not functioning correctly.
- ✔ Horn honking randomly or not working at all.
Installation and System Resets
Physically installing the BCM is typically straightforward, as it’s located under the dashboard on the driver’s or passenger’s side. Once the new module is connected, your vehicle’s primary functions should be restored. However, in some cases, additional synchronization procedures may be necessary to ensure all related systems work in harmony. Please be aware of the following potential post-installation steps:
- Airbag System Sync: If the airbag warning light is illuminated after installation, a ‘Setup SDM Primary Key in BCM’ procedure is required. This must be done with a professional-grade scan tool to sync the BCM with the airbag system.
- Brake Pedal Position Relearn: To ensure proper brake light operation and traction control functionality, a brake pedal position sensor recalibration might be needed.
We make the process easier by offering a no core charge policy. You can keep your original module without the hassle of shipping it back.
Guaranteed Compatibility
This module is a direct replacement for a wide range of GM vehicles and is guaranteed to work if your original part number is on this list. It fits the following part numbers: 19153625, 8191536250, 16257125, 191583625, 8093668010, 8162571250, 8191536250, and 09366801. It is designed for the following models:
- 1998-2000 S10/S15/SONOMA (center dash)
- 1998-2000 BLAZER S10/JIMMY S15 (center dash)
- 1999-2000 SIERRA & SILVERADO 1500/2500 (LH dash)
- 2000 ASTRO & SAFARI (LH dash)
- 1998 BRAVADA (center dash, w/extended build date opt ZN4)
- 1999-2000 ISUZU HOMBRE (LH dash)
Frequently Asked Questions
Why do I need to provide my VIN?
Your Vehicle Identification Number (VIN) allows us to program the BCM with the exact software and settings for your vehicle’s specific options and features. This ensures a seamless, plug-and-play installation without needing a trip to the dealership.
Is this part difficult to install?
For someone with basic mechanical skills, the physical replacement is straightforward. The BCM is usually located under the dash and is held in by a few bolts or clips. The main challenge without our service is the programming, which we handle for you before shipping.
What if my airbag light comes on after installation?
This can happen occasionally. It means the new BCM needs to be electronically introduced to the vehicle’s airbag module (SDM). A procedure called ‘Setup SDM Primary Key in BCM’ must be performed with a professional scan tool to clear the light.
Do I need to return my old BCM?
No. We do not require you to return your original module. There is no core charge associated with this purchase, so you can keep your old part.
Will this fix my ‘Security’ light and no-start problem?
Yes, a faulty BCM is one of the most common causes of Passlock/Passkey security system issues on these GM models. Because our GM BCM 16257125 is programmed to your VIN, it will correctly recognize your key’s security information and allow the vehicle to start.
What tools are needed for the post-installation procedures?
While the physical installation requires only basic hand tools, procedures like the airbag sync or brake pedal relearn require a high-end diagnostic scan tool capable of bidirectional controls. Many professional repair shops have this equipment.