Restore Full Electronic Functionality to Your GM Vehicle
Are you battling frustrating electrical issues in your 2002 Cadillac Escalade, Chevy Silverado, or GMC Sierra? Symptoms like erratic power windows, malfunctioning door locks, a faulty security system, or interior lights with a mind of their own often 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 fails, it can cause a cascade of confusing problems. This replacement BCM is the definitive solution, arriving pre-programmed to your vehicle’s specific VIN for a straightforward installation.
We had a 2002 Sierra 2500 in the shop that was driving the owner crazy. The radio would turn on and off, the dome light would flicker while driving, and sometimes the power locks wouldn’t respond. He had already replaced the battery and checked all the fuses. After hooking up the scan tool, we saw multiple communication loss codes with various modules. This immediately pointed us to the BCM. Instead of a lengthy and expensive diagnostic and programming session at the dealer, we installed a VIN-programmed module just like this one. The truck was back to normal in under an hour, and all the electrical gremlins were gone. It’s a common failure point on these GM platforms, and a pre-programmed module is the most efficient fix.
Common Symptoms of a Failing GM BCM
- ✔ Intermittent or non-working power windows and door locks.
- ✔ Horn honking unexpectedly or not working at all.
- ✔ Security system light on or vehicle not starting due to anti-theft issues.
- ✔ Interior or exterior lights flickering, staying on, or not turning on.
- ✔ Inaccurate or dead gauges on the instrument cluster.
- ✔ ‘Service Vehicle Soon’ or other warning lights on the dash.
- ✔ Problems with the heating and A/C blower motor controls.
Why Our 2002 Escalade Body Control Module is the Best Solution
Don’t settle for a junkyard part that could fail at any moment or require expensive dealership programming. We take the guesswork out of the repair. Simply provide us with your vehicle’s VIN during checkout, and our technicians will flash this module with the latest, most stable software direct from GM. This ensures perfect compatibility with your vehicle’s options and systems. This is a direct-fit replacement for part numbers 15063578, 15081796, 15095334, 19208537, DKAK, and DPNU, covering a wide range of GM trucks, vans, and SUVs.
Post-Installation Procedures
While this module is designed for a simple installation, some vehicles may require additional steps to sync with other onboard systems. Please be aware of the following:
- Airbag System Sync: If your airbag warning light illuminates after installation, a ‘Setup SDM Primary Key in BCM’ procedure is necessary. This requires a professional-grade scan tool to sync the BCM with the airbag system.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration may be needed to ensure correct brake light operation and to prevent issues with the traction control system.
Always consult a factory service manual or a qualified technician for vehicle-specific procedures.
Frequently Asked Questions
What does the Body Control Module (BCM) do?
The BCM acts as the brain for your vehicle’s body electronics. It controls non-engine related functions like power windows, locks, lights, the security system, wipers, and climate control features.
Do I need to get this module programmed?
No. We handle all the programming for you before we ship the part. Just provide your VIN at checkout, and it will arrive ready to be installed.
Why do you need my VIN?
Your Vehicle Identification Number (VIN) allows us to access the exact factory software and calibration files for your specific vehicle. This ensures the BCM works perfectly with the options and features your truck or SUV was built with.
Is this a difficult part to install?
For most DIY mechanics, the installation is straightforward. The BCM is typically located under the steering column or in the center dash. It involves disconnecting the battery, removing a few trim panels, and swapping the module. Basic hand tools are all that’s required.
What if my airbag light is on after I install it?
This is a known possibility. It means the new BCM needs to be electronically introduced to the airbag module (SDM). A mechanic with a bi-directional scan tool will need to perform the ‘Setup SDM Primary Key in BCM’ procedure to resolve this.
Is there a core charge for this part?
No, there is no core charge. You can keep your old module.