Is Your SUV Plagued by Baffling Electrical Issues?
If you’re dealing with flickering lights, malfunctioning power windows and locks, erratic dashboard behavior, or a vehicle that refuses to start, a failing Body Control Module (BCM) is the likely culprit. The BCM is the central command center for your vehicle’s body electronics, and when it fails, it can create a cascade of frustrating and seemingly unrelated problems. Don’t let a faulty module keep you off the road. This pre-programmed BCM is the direct, reliable solution to restore your vehicle’s full functionality.
The Plug-and-Play Solution for Your GM SUV
Forget expensive dealership visits and the hassle of towing your vehicle for programming. We take care of the complex part for you. Simply provide your vehicle’s VIN during checkout, and our technicians will flash this module with the latest, most stable GM software specific to your vehicle’s configuration. This ensures a seamless installation process, often as simple as swapping the part. This isn’t just a replacement; it’s a definitive fix that corrects common factory software bugs and ensures optimal performance.
From the Diagnostic Bay
We had a 2004 Trailblazer come in with a classic “parasitic draw” issue. The owner had replaced the battery twice, but it would still be dead every few mornings. After checking all the usual suspects, we traced the draw back to the BCM. It wasn’t fully shutting down the interior lighting circuit, even when the vehicle was off. A quick swap with a pre-programmed BCM like this one solved the issue permanently. It’s a reminder that what seems like a battery or alternator problem can often be the vehicle’s central computer acting up.
Common Symptoms of a Failing BCM
- ✔ Intermittent or non-working power windows, door locks, or mirrors.
- ✔ Erratic behavior from the instrument cluster gauges or warning lights.
- ✔ Interior or exterior lights staying on or not turning on at all.
- ✔ The security system acting up, preventing the vehicle from starting.
- ✔ Problems with the radio or climate control functions.
- ✔ Unexplained battery drain that leaves you with a dead battery.
Why Choose Our Pre-Programmed 2002-2005 Envoy BCM?
This module is the smart choice for both DIY mechanics and professional shops. By programming the unit to your VIN before shipping, we eliminate the need for specialized scan tools like the Tech 2 for initial setup. You receive a part that is ready to be installed right out of the box. This module is a direct replacement for multiple part numbers, ensuring wide compatibility across a range of GM SUVs. Plus, with our no-core-charge policy, you can keep your original module without the hassle of shipping it back.
Installation and Post-Install Notes
Installation is straightforward for anyone with basic mechanical skills. The BCM is typically located near the interior fuse panel. After installing the new module, a couple of procedures may be necessary depending on your specific vehicle:
- Airbag System Sync: If the airbag warning light is on after installation, a “Setup SDM Primary Key in BCM” procedure is required. This syncs the new BCM with the airbag system and must be performed with a professional-grade diagnostic tool.
- Brake Pedal Position Relearn: In some cases, a brake pedal position sensor recalibration may be needed to ensure proper brake light and traction control operation.
Guaranteed Fitment for the Following Vehicles:
This BCM is a direct replacement for part numbers 15191621, 15122670, 15065293, 15114669, and 9352135 and fits a wide range of models:
- Buick Rainier: 2004-2005
- Chevrolet Trailblazer & Trailblazer EXT: 2002-2005
- GMC Envoy, Envoy XL, & Envoy XUV: 2002-2005
- Isuzu Ascender: 2003-2005
- Oldsmobile Bravada: 2002-2004
- Saab 9-7x: 2005
Please ensure your vehicle is listed and does not have the factory security system option for models specified in the fitment data. Providing your VIN is the best way to guarantee perfect compatibility.
Frequently Asked Questions
Do I need to have this BCM programmed by a dealer?
No. We program the module to your vehicle’s specific VIN before we ship it to you. This makes it a plug-and-play installation, saving you time and money.
Where do I provide my VIN?
You can provide your VIN during the checkout process or by sending us a message after you complete your purchase. We cannot ship the module until we have your VIN.
What if my original part number is slightly different but my vehicle is listed?
This module replaces several part numbers, including 15122670, 15065293, 15114669, and 9352135. As long as your vehicle model and year are on our compatibility list, programming to your VIN will ensure it works correctly.
Is any special procedure required after installation?
In some cases, an airbag system sync or a brake pedal position relearn may be necessary. These procedures require a professional scan tool and are typically only needed if specific warning lights appear after installation.
Is there a core charge for this part?
No, there is no core charge. You can keep your old BCM without any additional fees or the hassle of returning it.