Is Your Traverse Plagued by Electrical Gremlins?
If your 2009-2012 Chevrolet Traverse is suddenly acting possessedโwith flickering lights, malfunctioning power windows, a security system that won’t behave, or strange warning messages on the dashโthe Body Control Module (BCM) is the most likely culprit. As the central nervous system for your vehicle’s comfort and convenience features, a failing BCM can turn your daily drive into a frustrating ordeal. In my 20+ years as a technician, I’ve seen these exact issues hundreds of times, and a faulty BCM is almost always the root cause.
Real-World Diagnosis: The Phantom Battery Drain
“A customer’s 2011 Traverse came into my shop last month with a dead battery for the third time in two months. They had already replaced the battery and alternator, but the problem persisted. After a quick diagnostic scan, we found no active codes, but a parasitic draw test told the real story. The BCM was failing to go into ‘sleep’ mode after the ignition was off, slowly draining the battery overnight. Replacing the BCM solved the problem completely. This is a classic failure pattern for this platform.”
The Direct Solution: A VIN-Programmed BCM
Forget expensive dealership diagnostics and programming fees. This is a direct-fit replacement 2009-2012 Traverse Body Control Module that arrives at your door pre-programmed for your specific vehicle. We use your Vehicle Identification Number (VIN) to load the latest, most stable GM software, ensuring that it communicates perfectly with your Traverse’s other systems right out of the box.
Symptoms a New BCM Will Resolve:
- โ Intermittent or non-working power windows, door locks, or mirrors.
- โ Erratic interior or exterior lighting behavior.
- โ False security system alarms or “Service Theft System” messages.
- โ Unexplained battery drain that leaves you stranded.
- โ Malfunctioning remote keyless entry (RKE).
- โ Communication errors with other modules (DTC U-codes).
Simple Installation, Critical Final Steps
Physically swapping the BCM is straightforward for a DIYer with basic tools. However, to ensure full functionality and safety, a few final configuration steps are required using a professional-grade scan tool.
- Safety First: Always disconnect the negative battery terminal before starting any electrical work.
- Locate the BCM: In the 2009-2012 Traverse, the BCM is typically located in the driver’s side footwell, to the left of the steering column, behind the lower dash panel.
- Disconnect & Remove: Carefully unplug the electrical connectors (they have locking tabs) and unbolt the module from its bracket.
- Install New Module: Mount the new, pre-programmed BCM and securely reconnect all electrical connectors.
- Reconnect Battery: Re-attach the negative battery terminal.
IMPORTANT: Post-Installation Configuration Required
After installing your new 2009-2012 Traverse Body Control Module, the following procedures MUST be performed with a bi-directional scan tool to restore full system operation:
- Airbag System Reset: The ‘Setup SDM Primary Key in BCM’ procedure must be run. This re-establishes communication between the new BCM and the airbag module (SDM), which will clear the airbag warning light on your dash.
- Brake Pedal Position Sensor Relearn: Many vehicles on this platform require a recalibration of the brake pedal position sensor. This is critical for proper brake light operation and stability control system function.
Note: While this unit is pre-programmed, these final setup procedures are essential for safety system integration. If you do not have access to a suitable diagnostic tool, we recommend having a qualified local mechanic perform these final steps for you.
Guaranteed Compatibility
This BCM is a direct replacement for a wide range of GM vehicles and part numbers. Please verify your part number or vehicle in the list below. After purchase, simply provide us with your VIN, and we’ll handle the rest.
This module replaces the following part numbers: 10382479, 15093910, 15276271, 15299986, 15819552, 15828601, 15837419, 15872388, 15872421, 15880684, 15921352, 15921353, 15948438, 15948439, 20815898, 20839063, 20864767, 20864768, 20921435, 20921436, 20935349, 22860591, 25826124, 25826125, 25847588, 25847589, 25892622, 25910474, 25934762, 25934763, 95151084
This part fits these vehicles:
ACADIA 07-12, AVALANCHE 1500 10, CAPRICE 11-13, CAPTIVA SPORT 12, CTS 08-13, DTS 06-11, ENCLAVE 08-12, EQUINOX 07-09, ESCALADE 10, ESCALADE ESV 10, ESCALADE EXT 10, EXPRESS VANS 08-12, G8 08-09, HUMMER H2 08-09, IMPALA 06-13, LUCERNE 06-11, MONTE CARLO 06-07, OUTLOOK 07-10, SAVANA VANS 08-12, SRX 07-09, STS 10, SUBURBAN 1500 10, TAHOE 10, TORRENT 07-09, TRAVERSE 09-12, VUE 08-10, YUKON 10, YUKON XL 1500 10. (Please check the original listing for specific options and IDs where applicable).