Is Your 2002 GM Truck or SUV Experiencing Electrical Gremlins?
If your 2002 GMC Yukon, Chevy Tahoe, or Cadillac Escalade is suffering from bizarre electrical issues like flickering lights, non-responsive power windows and locks, or a security system that has a mind of its own, a failing Body Control Module (BCM) is the most likely culprit. The BCM acts as the central hub for your vehicle’s body electronics, and when it starts to fail, it can cause a cascade of frustrating and seemingly unrelated problems. Don’t let a faulty module take control of your vehicle. This direct-replacement BCM is the reliable, cost-effective solution to restore full functionality and peace of mind.
From the Diagnostic Bay
We had a 2002 Chevy Suburban come in that was driving the owner crazy. The dome lights would randomly flicker on while driving, the radio would shut off, and the power locks worked intermittently. The battery was new and the alternator tested fine. After checking for obvious wiring issues, we connected a scan tool and found multiple communication loss codes with various modules. All signs pointed to the BCM. Instead of a costly trip to the dealer for a new module and programming, the owner opted for one of our VIN-programmed units. After a 20-minute install, all the strange electrical issues were gone. It’s a classic case where replacing the central component solves a dozen smaller problems.
Common Symptoms of a Failing 2002 Yukon Body Control Module
- ✔ Erratic or non-functional power windows, door locks, and mirrors.
- ✔ Interior or exterior lights that stay on, flicker, or won’t turn on at all.
- ✔ The security system or keyless entry fails to work correctly, or the alarm goes off randomly.
- ✔ Instrument panel gauges behaving erratically or warning lights appearing without cause.
- ✔ Communication errors (U-codes) when scanning the vehicle with a diagnostic tool.
- ✔ Issues with the radio, climate control, or other interior accessories.
- ✔ A parasitic battery drain that kills your battery overnight.
A True Plug-and-Play Solution
The biggest hurdle in replacing a BCM is the need for expensive, vehicle-specific programming. We eliminate that step entirely. When you order from us, you provide your vehicle’s 17-digit VIN. Our technicians then flash this module with the latest official GM software specific to your truck’s exact build configuration. This ensures that all the features your vehicle came with from the factory will work correctly right out of the box. You are receiving a fully prepared 2002 Yukon Body Control Module that is ready for installation upon arrival, saving you time and the high cost of dealership programming fees.
Installation and Post-Install Steps
The BCM is typically located under the driver’s side of the dashboard, near the steering column. Installation is straightforward for a DIYer with basic tools, usually involving disconnecting the battery, removing a few trim panels, and swapping the electrical connectors. After installation, please be aware of the following potential procedures:
- Airbag System Sync: If your airbag warning light is on after installation, a ‘Setup SDM Primary Key in BCM’ procedure is needed. This requires a professional-grade scan tool to sync the new BCM with the airbag system.
- Brake Pedal Position Relearn: In some cases, a brake pedal position sensor recalibration might be necessary to ensure proper brake light and traction control functionality.
- No Core Charge: You are not required to send your old BCM back to us. You can keep your original module without any additional fees.
Guaranteed Fitment for Your GM Truck or SUV
This module is a direct replacement for several part numbers and fits a range of popular 2002 GM models. Please verify your vehicle is on the list below.
Compatible Service Numbers: 15063577, 15081857, 19208544, 15095335, DKAJ, DPNW
Fits the following 2002 models:
- GMC Yukon (4×4)
- GMC Yukon XL 1500 (4×4)
- Chevrolet Tahoe (4×4)
- Chevrolet Suburban 1500 (4×4)
- Chevrolet Avalanche 1500 (4×4)
- Cadillac Escalade (4×4)
- Cadillac Escalade EXT
Frequently Asked Questions
What does a Body Control Module do on a 2002 Yukon?
The BCM is a computer that manages and controls many of the non-engine related electronic functions in your vehicle. This includes power windows, locks, interior lighting, the security system, keyless entry, and communication between other onboard computers.
Do I need to get this BCM programmed by a dealer?
No. The main benefit of our service is that we program the module to your vehicle’s specific VIN before we ship it to you. This makes the installation process much simpler and saves you from a costly trip to the dealership.
What is a VIN and why do you need it?
The VIN is your vehicle’s unique 17-digit identification number. We use it to access the exact factory software and calibration files for your truck’s specific options and features, ensuring the replacement BCM works perfectly.
My airbag light is on after installing the new BCM. Is it defective?
No, this is a normal security procedure on these vehicles. The new BCM needs to be electronically ‘introduced’ to the airbag module (SDM). This requires a ‘Setup SDM Primary Key in BCM’ procedure with a compatible high-end scan tool to sync the components and turn off the light.
Is this a difficult part to install myself?
For someone with basic mechanical skills, the physical installation is not very difficult. It is located under the dash and involves unplugging the old unit and plugging in the new one. However, be aware that post-installation procedures like the airbag sync may require a professional scan tool if the warning light appears.