Restore Your Pontiac G8’s Electrical System with a Hassle-Free Solution
Is your 2008-2009 Pontiac G8 experiencing bizarre electrical issues? Flickering interior lights, windows that won’t cooperate, or a security system that has a mind of its own? These are classic signs of a failing Body Control Module (BCM), the central command center for your vehicle’s body electronics. Driving with a faulty BCM isn’t just annoying—it can be a serious inconvenience. Instead of facing a costly trip to the dealership for a new module and expensive programming, we offer a simple, reliable, and affordable alternative.
This is a direct-fit replacement BCM that comes with our expert Cloning Service. This means we transfer the exact configuration and security data from your original BCM to this replacement unit. The result? A true plug-and-play module that requires no additional programming. It will recognize your existing keys and retain your vehicle’s specific options, getting you back on the road without the dealership headache.
A Technician’s Notebook: The Intermittent Gremlin
I once had a 2009 G8 in my bay that was driving the owner crazy. The radio would randomly shut off, and the passenger window would only work occasionally. They had already replaced the window switch and checked the radio fuses. After hooking up my pro-level scanner, I noticed intermittent communication loss codes (U-codes) pointing to the BCM. A new module from the dealer plus programming was quoted at over $700. Instead, we used a cloned BCM. The entire process, from sending us the old module to installing the cloned one, saved the customer over $400 and solved every single one of their electrical gremlins. It’s the most effective repair for these situations.
Is Your G8 Showing These Symptoms?
A failing BCM can manifest in numerous ways. If you’re noticing any of the following, it’s a strong indicator that your 2008-2009 G8 BCM is the culprit:
- ✔ Erratic or non-functional power windows and door locks.
- ✔ Interior or exterior lights flickering, staying on, or not working at all.
- ✔ The security system acting up, causing no-start conditions or false alarms.
- ✔ Horn, wipers, or other accessories working intermittently.
- ✔ Warning lights on the dash for systems controlled by the BCM.
- ✔ Diagnostic Trouble Codes (DTCs) related to communication errors (U-codes) or specific body functions.
Your Straightforward BCM Installation Guide
Installing your cloned BCM is a manageable task for a confident DIYer. On the Pontiac G8, the BCM is typically located in the center dash area.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait a few minutes before starting work.
- Locate the Module: Access the BCM by removing the necessary trim panels in the center dash or console area. Consult a vehicle-specific guide if you’re unsure of its exact position.
- Disconnect and Remove: Carefully unplug all electrical connectors from the old BCM. They have locking tabs that need to be depressed. Once disconnected, unbolt or unclip the module from its mounting bracket.
- Install the New BCM: Mount your new, cloned BCM in the same location and securely reconnect all electrical connectors. You should hear a ‘click’ as they lock into place.
- Power Up: Reinstall any trim panels you removed and reconnect the negative battery terminal.
- Test Everything: Start the car and test all body functions: lights, locks, windows, radio, wipers, etc., to confirm the repair was successful.
Important Post-Installation Notes
While our cloning service makes this a plug-and-play process, some GM vehicles may require a simple relearn procedure depending on their specific configuration.
- Airbag System Sync: If the airbag warning light is illuminated after installation, a professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ procedure. This syncs the security information between the airbag module and the new BCM. This is only necessary if the light appears.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration may be required to ensure correct brake light operation and to prevent issues with the traction control system.
Verified Vehicle Compatibility
This Body Control Module is a guaranteed fit for the 2008-2009 Pontiac G8. It also serves as a direct replacement for a wide array of other GM vehicles. Please match your original part number to the comprehensive list below to ensure perfect compatibility.
Replaces 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
EXPRESS 2500 VAN 10 Body Control (BCM); (center dash), 6.0L
EXPRESS 3500 VAN 08-09 Body Control (BCM); (center dash)
SAVANA 3500 VAN 10 Body Control (BCM); (center dash), 6.6L, VIN 6 (8th digit, opt LMM)
IMPALA 06-12 Body Control (BCM); (LH dash)
SAVANA 2500 VAN 10 Body Control (BCM); (center dash), 4.8L
ACADIA 07-12 Body Control (BCM); (LH dash)
MONTE CARLO 06-07 Body Control (BCM); (LH steering column)
TAHOE 10 Body Control (BCM); (under steering column), ID 25892622
TRAVERSE 09-12 Body Control (BCM); (LH dash)
EXPRESS 3500 VAN 10 Body Control (BCM); (center dash), 6.6L, VIN 6 (8th digit, opt LMM)
YUKON 10 Body Control (BCM); (under steering column), ID 25892622
SAVANA 2500 VAN 11-12 Body Control (BCM); (center dash)
YUKON XL 1500 10 Body Control (BCM); (under steering column), ID 20815898
CAPTIVA SPORT 12 Body Control (BCM); (center dash), ID 20921435
CAPTIVA SPORT 12 Body Control (BCM); (center dash), ID 22860591
DTS 06-11 Body Control (BCM); (RH center dash)
OUTLOOK 07-10 Body Control (BCM); (center dash)
SUBURBAN 1500 10 Body Control (BCM); (under steering column), ID 25892622
ESCALADE EXT 10 Body Control (BCM); (under steering column), ID 25892622
SAVANA 1500 VAN 08-12 Body Control (BCM); (center dash)
EXPRESS 2500 VAN 11-12 Body Control (BCM)
EXPRESS 1500 VAN 08-12 Body Control (BCM); (center dash)
STS 10 Body Control (BCM); center dash
SAVANA 3500 VAN 08-09 Body Control (BCM); (center dash)
TORRENT 07-09 Body Control (BCM); (center dash)
SAVANA 2500 VAN 10 Body Control (BCM); (center dash), 6.0L
TAHOE 10 Body Control (BCM); (under steering column), ID 20815898
CTS 08-13 Body Control (BCM); LH dash
CAPTIVA SPORT 12 Body Control (BCM); (center dash), ID 20921436
EXPRESS 3500 VAN 10 Body Control (BCM); (center dash), 6.0L
G8 08-09 Body Control (BCM); (center dash)
IMPALA 13 Body Control (BCM); (LH dash), ID 22820315
SUBURBAN 1500 10 Body Control (BCM); (under steering column), ID 20815898
AVALANCHE 1500 10 Body Control (BCM); (under steering column), ID 25892622
EXPRESS 2500 VAN 10 Body Control (BCM); (center dash), 4.8L
EXPRESS 2500 VAN 10 Body Control (BCM); (center dash), 6.6L, VIN 6 (8th digit, opt LMM)
YUKON 10 Body Control (BCM); (under steering column), ID 20815898
ESCALADE 10 Body Control (BCM); (under steering column), ID 25892622
LUCERNE 06-11 Body Control (BCM); (right side dash)
CTS 08 Body Control (BCM); RH dash
ESCALADE ESV 10 Body Control (BCM); (under steering column), ID 25892622
EXPRESS 3500 VAN 10 Body Control (BCM); (center dash), 4.8L
SAVANA 2500 VAN 08-09 Body Control (BCM); (center dash)
SAVANA 3500 VAN 10 Body Control (BCM); (center dash), 4.8L
SAVANA 3500 VAN 10 Body Control (BCM); (center dash), 6.0L
YUKON XL 1500 10 Body Control (BCM); (under steering column), ID 25892622
ESCALADE 10 Body Control (BCM); (under steering column), ID 20815898
SRX 07-09 Body Control (BCM); LH dash
ESCALADE ESV 10 Body Control (BCM); (under steering column), ID 20815898
EXPRESS 3500 VAN 11-12 Body Control (BCM)
HUMMER H2 08-09 Body Control (BCM); (LH firewall)
SAVANA 3500 VAN 11-12 Body Control (BCM)
VUE 08-10 Body Control (BCM); (center dash)
CAPRICE 11-13 Body Control (BCM)
ENCLAVE 08-12 Body Control (BCM); (LH dash)
EXPRESS 2500 VAN 08-09 Body Control (BCM); (center dash)
SAVANA 2500 VAN 10 Body Control (BCM); (center dash), 6.6L, VIN 6 (8th digit, opt LMM)
Frequently Asked Questions
How does the BCM cloning service work?
After you place your order, you will ship your original BCM to us. Our technicians will use specialized equipment to extract the vehicle-specific data (including key information and optional features) and flash it onto the replacement module we send you. This makes the new module an identical twin to your old one, ensuring seamless, plug-and-play installation.
Will I need to get my keys reprogrammed?
No. Because we clone the data from your original module, the replacement BCM will recognize your existing keys. You will not need any key programming after installation.
What happens to my old BCM?
Your original module is always returned to you along with the programmed replacement unit. We do not keep your old part.
Where is the BCM located on my 2009 Pontiac G8?
On the 2008-2009 Pontiac G8, the Body Control Module is typically found in the center dash area, often behind or near the glove box or radio.
What if the airbag light comes on after I install the BCM?
This is uncommon, but if it happens, it means the BCM and the Supplemental Deployment Module (SDM) need to be security-synced. This requires a professional scan tool to perform the ‘Setup SDM Primary Key in BCM’ procedure to clear the light.
Disclaimer: Specific procedures can vary by vehicle. Always consult a factory service manual or a qualified technician for guidance.