Restore Your SUV’s Electrical System with Confidence
Are you dealing with frustrating and unpredictable electrical problems in your Oldsmobile Bravada, Chevy Trailblazer, or GMC Envoy? Flickering lights, malfunctioning power windows, erratic gauges, or a dead battery can all point to a failing Body Control Module (BCM). This isn’t just an annoyance; it’s a critical failure that can affect your vehicle’s daily operation. Our pre-programmed BCM is the definitive, hassle-free solution to get your truck back in perfect working order without an expensive trip to the dealership.
Common Symptoms & Your Solution
A faulty BCM can create a cascade of confusing issues. If you’re experiencing any of the following, this module is the solution you need:
- Interior or exterior lights staying on or not working at all
- Power windows, door locks, or mirrors operating intermittently
- Warning lights on the dash that have no apparent cause
- Instrument cluster gauges behaving erratically or not working
- Parasitic battery drain that leaves you stranded
- Communication errors with other modules (DTC U-codes)
This 2002-2004 Bravada BCM Replacement is professionally flashed with the latest GM software updates and programmed specifically to your vehicle’s VIN, ensuring it works correctly right out of the box.
Features & Benefits
- ✔ VIN-Programmed for Your Vehicle: Arrives ready for installation, eliminating the need for dealer programming tools and extra costs.
- ✔ Updated GM Software: Flashed with the newest software to ensure optimal performance and reliability, addressing potential factory bugs.
- ✔ Direct-Fit Compatibility: Guaranteed to fit and function correctly for all models listed, including part numbers 15122670, 15065293, 15114669, 15191621, and 9352135.
- ✔ No Core Charge: Keep your old part. There’s no need to worry about shipping a core back or waiting for a refund.
- ✔ Restore Full Functionality: Get your lights, windows, locks, and other body electronics working like new again.
- ✔ Peace of Mind Protection: This unit is backed by our one-year replacement warranty.
Expert Insight: The Critical Role of VIN Programming
On these GM GMT360 platform SUVs (Bravada, Trailblazer, Envoy, etc.), the BCM is the central hub for dozens of electronic functions. It’s not a one-size-fits-all part. Your vehicle’s specific options—like power seats, sunroof, or security system type—are all encoded in the VIN. By programming this 2002-2004 Bravada BCM Replacement to your exact VIN before we ship, we ensure that the module knows precisely which features your truck has. This prevents the compatibility nightmares and frustrating functional gaps that come with a generic, non-programmed module from a junkyard. It’s the key to a successful, lasting repair.
Frequently Asked Questions
What does a BCM do on my Bravada or Trailblazer?
The Body Control Module (BCM) acts as the central computer for your vehicle’s body electronics. It controls non-engine related functions like power windows, door locks, interior and exterior lighting, wipers, the instrument cluster, and the anti-theft system.
Is this BCM truly plug-and-play?
Yes, because we program it to your VIN before shipping, it is designed to be a direct installation. However, as noted in our post-install procedures, some vehicles may require a simple relearn procedure for the airbag system or brake pedal position sensor using a pro-level scan tool if certain warning lights appear.
How do I provide my VIN?
After you complete your purchase, you will need to send us your 17-digit Vehicle Identification Number (VIN). We cannot ship your order until we receive it. You can typically find your VIN on your vehicle’s dashboard (visible through the windshield) or on your insurance/registration documents.
What if my airbag light is on after installation?
If the airbag light illuminates after you install the new BCM, it’s a known possibility. The BCM and the airbag module (SDM) need to be synced. A technician with a professional diagnostic tool will need to perform the ‘Setup SDM Primary Key in BCM’ procedure to resolve this.
Will this fix my specific electrical problem?
This 2002-2004 Bravada BCM Replacement is the correct solution for the vast majority of electrical issues listed in the symptoms. Proper vehicle diagnosis is always recommended, but a failing BCM is the most common cause of these widespread, erratic electrical failures on these models.
Do I need to send my old BCM back?
No. We have a ‘no core charge’ policy for this part, which means you can keep your original module without any additional fees or hassle.