Restore Full Electrical Function to Your GM Vehicle
Are you battling frustrating electrical gremlins in your vehicle? Intermittent power windows, flickering lights, a security system that acts on its own, or a persistent battery drain can all point to a single culprit: a failing Body Control Module (BCM). The BCM is the central command center for your vehicle’s body electronics, and when it starts to malfunction, it can cause a wide range of confusing and unpredictable problems. This isn’t just an inconvenience; it can affect the safety and reliability of your truck or van.
This replacement Body Control Module is the definitive solution to restore your vehicle’s electronic systems to factory-perfect operation. We take the guesswork and high dealership costs out of the equation. Simply provide your vehicle’s VIN during checkout, and we will program the module with the latest GM software updates specific to your vehicle. It arrives at your door ready for installation, eliminating the need for expensive programming tools or a trip to the dealer.
Common Symptoms of a Failing BCM
If you’re experiencing any of the following issues, a failing Body Control Module is the most likely cause. This part is designed to correct these and other related electrical problems.
- ✔ Power windows, mirrors, or door locks operating erratically or not at all.
- ✔ Interior or exterior lights (headlights, dome lights, dash lights) flickering, staying on, or not turning on.
- ✔ The vehicle’s security system or alarm malfunctioning or preventing the engine from starting.
- ✔ Horn honking unexpectedly or not working when pressed.
- ✔ Instrument cluster gauges behaving erratically or displaying incorrect information.
- ✔ Unexplained battery drain that kills your battery overnight or after a few days.
- ✔ Wipers activating on their own or not functioning correctly.
Why Choose a Pre-Programmed 2001 Astro Body Control Module?
Replacing the BCM in these GM vehicles isn’t as simple as swapping the part. The module must be programmed to your vehicle’s specific Vehicle Identification Number (VIN) to communicate with other onboard computers like the ECU and instrument cluster. Our service handles this critical step for you. By purchasing our 2001 Astro Body Control Module, you get a part that is essentially plug-and-play, saving you hundreds of dollars in dealership programming fees and significant vehicle downtime.
Key Benefits:
- VIN-Programmed: Arrives flashed with the latest GM software for your exact vehicle.
- No Core Charge: You are not required to return your old, faulty module.
- Cost-Effective: A direct and affordable solution compared to dealership repair costs.
- Broad Compatibility: This module is a direct replacement for service numbers 19208539, 9371990, and 9385236.
Installation and Post-Install Procedures
Installation is typically straightforward, as the BCM is located under the driver’s or center dash area. However, after installing your new 2001 Astro Body Control Module, a few additional steps, known as relearn procedures, may be necessary depending on your specific vehicle’s configuration.
- Airbag System Sync: If the airbag warning light is illuminated after installation, a professional scan tool is required to perform the ‘Setup SDM Primary Key in BCM’ procedure. This syncs the new BCM with the airbag system. This is only needed if the light appears.
- Brake Pedal Position Relearn: Some models may require a brake pedal position sensor recalibration to ensure correct brake light operation and to prevent issues with the traction control system.
We always recommend consulting a factory service manual or a qualified technician if you are unsure about any part of the installation or post-installation process.
Guaranteed Fitment
This Body Control Module is a guaranteed fit for the following vehicles and options:
- 2001 ASTRO (LH dash)
- 2001 BLAZER S10/JIMMY S15 (center dash), ID 9385236
- 2001 BRAVADA (center dash)
- 2001 S10/S15/SONOMA (center dash)
- 2001 SAFARI (GMC) (LH dash)
- 2000 SIERRA 1500 PICKUP (LH dash), ID 9371990 or 9385236
- 2000 SIERRA 2500 PICKUP (LH dash), ID 9385236
- 2000 SILVERADO 1500 PICKUP (LH dash), ID 9371990 or 9385236
- 2000 SILVERADO 2500 PICKUP (LH dash), ID 9385236
- 2000 SUBURBAN 1500 (LH dash), ID 9385236
- 2000 SUBURBAN 2500 (LH dash), ID 9385236
- 2000 TAHOE (LH dash), ID 9385236
- 2000 YUKON (exc. Denali) (LH dash), ID 9385236
- 2000 YUKON XL 1500 (LH dash), ID 9385236
- 2000 YUKON XL 2500 (LH dash), ID 9385236
Frequently Asked Questions
What does the Body Control Module (BCM) do?
The BCM is a computer that manages and controls many of your vehicle’s non-engine related electronic functions. This includes power windows, door locks, interior and exterior lighting, the alarm system, wipers, and instrument panel warnings.
How do I know for sure that my BCM is the problem?
While the symptoms listed above are strong indicators, a proper diagnosis by a qualified technician is the best way to be certain. Common diagnostic steps involve checking for trouble codes, verifying power and ground signals at the BCM connector, and ruling out other potential causes like faulty switches or wiring.
Why do you need my VIN?
Your Vehicle Identification Number (VIN) contains critical information about your vehicle’s specific options and configuration. We use the VIN to load the correct factory software and settings onto the BCM, ensuring it communicates properly with all other systems in your vehicle upon installation.
Is this part difficult to install myself?
For someone with moderate mechanical experience, the physical installation is typically not difficult. The BCM is usually located under the dashboard and is held in by a few bolts or clips. The main challenge is ensuring any required post-installation relearn procedures are performed, which may require a professional scan tool.
What happens if the airbag light comes on after I install it?
If the airbag light illuminates, it means the new BCM needs to be electronically synced with the vehicle’s airbag computer (SDM). This requires a professional-grade scan tool to perform the ‘Setup SDM Primary Key in BCM’ procedure. This is a standard procedure for this type of repair.
Do I need to send my old BCM back?
No, there is no core charge for this part. You can keep your original module.