Restore Full Electrical Function to Your GM Van or Truck
Are you battling a storm of bizarre electrical issues in your 2004-2007 GMC Savana, Chevy Express, or other GM truck? From flickering lights and a dead HVAC blower to malfunctioning power windows and a persistent airbag light, these are classic signs of a failing Body Control Module (BCM). The BCM acts as the central nervous system for your vehicle’s body electronics, and when it goes bad, it can make your vehicle feel haunted. This genuine OEM-quality GM BCM, interchangeable with part number 15137394, is the definitive solution, arriving pre-programmed to your vehicle’s specific VIN for a true plug-and-play repair.
We had a contractor’s 2006 Savana 2500 work van come in that was an absolute mess. The driver said his climate controls worked one minute and not the next, the dome light wouldn’t turn off, and the power locks were possessed. He was worried about a massive wiring problem that would take his van off the road for days. After checking the basics, we identified the BCM as the culprit. Instead of a complicated repair, we ordered one of these VIN-programmed modules. It arrived, we swapped it in under 10 minutes right in the center dash, and every single issue was resolved instantly. The contractor was back on the job the same afternoon, saving him significant downtime and money.
Common Symptoms of a Failing BCM
- ✔ Intermittent or non-functional HVAC and climate controls.
- ✔ Power windows, door locks, or mirrors not working correctly.
- ✔ Interior or exterior lights staying on, flickering, or not turning on at all.
- ✔ An illuminated airbag warning light, often with DTC B1001.
- ✔ Security system faults, leading to a no-start or crank-no-start condition.
- ✔ Unpredictable behavior from the windshield wipers.
- ✔ Multiple communication-related Diagnostic Trouble Codes (DTCs).
Solving Problems with Your 2004-2007 Savana BCM
Replacing your faulty module is the most effective way to solve these persistent electrical problems. Our service ensures this part is a direct-fit, hassle-free solution. We flash the module with the latest GM software updates and program it to your vehicle’s VIN before it ships. This critical step eliminates the need for expensive dealership programming, allowing you to install it yourself or have your local mechanic perform the simple swap. This module is a direct replacement for a wide range of part numbers, including 15116066, 15136225, 15137394, and 15198116, ensuring broad compatibility across the GM truck and van lineup.
Installation and Post-Install Notes
Installation is straightforward. For Savana and Express vans, the BCM is typically located behind the center dash panel. For trucks and SUVs, it’s usually under the steering column. Always disconnect the vehicle’s battery before unplugging the old module. Once installed, some vehicles may require specific relearn procedures:
- Airbag System Sync: If the airbag light remains on after installation, a technician will need to perform the “Setup SDM Primary Key in BCM” procedure with a capable scan tool.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration might be necessary to ensure correct brake light and stability control operation.
There is no core charge for this part, so you can keep your old module without the hassle of returning it.
Frequently Asked Questions
What does the Body Control Module do on my Savana van?
The BCM is a computer that manages and controls most of your van’s non-engine related electronic systems. This includes the power windows, locks, lights, wipers, security system, and HVAC controls.
Do I need to have this BCM programmed by a dealer?
No. We pre-program the module to your vehicle’s VIN before shipping. This makes the installation plug-and-play, saving you a trip to the dealership and additional programming fees.
Where is the BCM located on a 2005 GMC Savana?
On the 2004-2007 Savana and Express vans, the BCM is typically found in the center of the dashboard, often accessible by removing the lower dash panels or glove box area.
Will this part fix my airbag light?
If the airbag light is caused by a communication error with a faulty BCM (like DTC B1001), this module will resolve the root cause. However, after installation, the system may require an “SDM Primary Key Setup” with a professional scan tool to sync the new BCM with the airbag system and turn off the light.
Is this compatible with other part numbers?
Yes, this module is a direct replacement for numerous part numbers, including 15116066, 15136225, 15137393, 15137395, 15198116, and many others listed in the vehicle fitment data.
Is there a core charge?
No, there is no core charge. You are not required to send your old part back to us.