Restore Control and Eliminate Electrical Headaches
Are you tired of chasing electrical gremlins in your truck? Do your power windows have a mind of their own, your interior lights refuse to turn off, or does the security light flash randomly, preventing your engine from starting? These aren’t just annoyances; they’re classic signs of a failing Body Control Module (BCM). This module is the central command center for your vehicle’s body electronics, and when it fails, it can cause baffling and unpredictable issues. This replacement 2001 S10 BCM is the definitive solution, arriving pre-programmed to your truck’s exact VIN for a straightforward installation.
From the Diagnostic Bay: The Ghost in the S10
I remember a 2001 S10 that came into my shop with a list of symptoms that sounded like a prank. The owner said the radio would switch stations on its own, the horn would honk when he used the turn signal, and the battery was dead every other morning. We checked for shorts and bad grounds for hours. Finally, we hooked up a high-end scan tool and watched the data stream from the BCM. It was pure chaos—sending phantom commands all over the vehicle. Swapping in a VIN-programmed BCM didn’t just fix one problem; it fixed all of them instantly. It’s a perfect example of how one failing component can wreak havoc on the entire system.
Is Your Truck Showing These Symptoms?
A faulty BCM can manifest in numerous ways. If you’re experiencing any of the following, a failing BCM is the likely culprit:
- ✔ Erratic or non-functional power windows, door locks, and mirrors.
- ✔ Interior dome lights or dashboard lights staying on, draining the battery.
- ✔ The security or anti-theft system light is illuminated, causing a no-start condition.
- ✔ Wipers, horn, or radio activating unexpectedly.
- ✔ Inconsistent instrument panel gauge operation.
- ✔ Communication error codes stored, such as U0140 (Lost Communication With Body Control Module).
Your Straightforward Installation Guide
Installing your new 2001 S10 BCM is a manageable job for a confident DIYer. Since we program it before shipping, you can skip the expensive trip to the dealership for flashing.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before working on any electronic components.
- Locate the BCM: On the 2001 S10/S15/Sonoma and Blazer/Jimmy, the BCM is typically located behind the right side of the dashboard, accessible by removing the glove box.
- Remove the Old Module: Carefully disconnect the electrical connectors. They have locking tabs that need to be depressed. Once unplugged, unbolt the module from its mounting bracket.
- Install the New Module: Mount the new BCM in place and securely reconnect all electrical connectors. You should hear a click as they lock in.
- Reconnect and Test: Reconnect the negative battery terminal. Turn the key to the ‘On’ position and test all body functions—windows, locks, lights, wipers, etc.—to confirm proper operation.
Important Post-Installation Information
While our VIN programming handles the critical setup, some GM vehicles may require additional sync procedures after installation. This is normal and depends on your vehicle’s specific configuration.
- Airbag System Sync: If your airbag warning light is on after installation, a simple ‘Setup SDM Primary Key in BCM’ procedure is needed. This requires a professional-grade diagnostic tool to sync the new BCM with the airbag system.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor relearn might be necessary to ensure the brake lights and traction control system function correctly.
Guaranteed Fitment for Your GM Vehicle
This module is a direct replacement for part numbers 9371990, 19208539, and 9385236. It is guaranteed to fit the following models and years:
- 2001 S10/S15/SONOMA: Body Control (BCM); (center dash)
- 2001 BLAZER S10/JIMMY S15: Body Control (BCM); (center dash), ID 9385236
- 2001 BRAVADA: Body Control (BCM); (center dash)
- 2001 ASTRO / SAFARI (GMC): Body Control (BCM); (LH dash)
- 2000 SILVERADO / SIERRA 1500 & 2500 PICKUP: Body Control (BCM); (LH dash), ID 9371990 or 9385236
- 2000 TAHOE / YUKON (exc. Denali): Body Control (BCM); (LH dash), ID 9385236
- 2000 SUBURBAN / YUKON XL 1500 & 2500: Body Control (BCM); (LH dash), ID 9385236
Plus, there is no core charge. You can keep your old module without any extra fees or hassle.
Frequently Asked Questions
Why do you need my VIN?
Your VIN is essential. We use it to program the BCM with the latest GM software specific to your truck’s factory options (like power windows, keyless entry, etc.). This ensures it works correctly right out of the box.
Will this fix my truck’s security light and no-start problem?
In most cases, yes. A faulty BCM is a very common cause of security system issues on these GM trucks. Our VIN programming correctly syncs the security information, which should resolve the problem.
Is this a difficult part to replace myself?
For someone with basic mechanical skills, it’s a very manageable job. The main challenge is accessing the module’s location behind the dash. Since we handle the programming, no special computer tools are needed for the main installation.
What if the airbag light comes on after I install it?
This is a possibility and requires a simple sync procedure. A mechanic with a bi-directional scan tool can perform the ‘Setup SDM Primary Key in BCM’ function in just a few minutes to resolve it.
Do I have to send my old BCM back?
No. We do not require a core return for this part. You can keep or dispose of your old module at your convenience, with no core charge or deposit.