Restore Your GM Vehicle’s Electrical System and End the Frustration
Are you battling bizarre electrical issues in your 2008-2010 Saturn VUE or another compatible GM vehicle? Flickering lights, malfunctioning power windows, a dead instrument cluster, or a car that refuses to start can all point to a single, central culprit: a failing Body Control Module (BCM). As the electronic nerve center for your vehicle’s comfort and security features, when the BCM goes down, it can create a cascade of confusing and costly problems. This isn’t just an inconvenience; it can affect safety systems like your exterior lighting and anti-theft system.
Instead of facing expensive diagnostic fees and programming charges at a dealership, we offer a direct, reliable solution. This is a replacement BCM, part number 20921436, that comes with our expert Cloning Service. This means we transfer the precise data from your original module to this replacement unit. The result is a simple, plug-and-play installation that eliminates the need for complicated and expensive on-car programming. Just send us your original BCM, and we’ll send you back a fully prepared replacement, ready to install and get you back on the road with confidence.
Case Study: A Tricky Diagnosis
I recently had a 2009 Saturn VUE in my bay that was driving its owner crazy. The radio would turn on and off by itself, the dome light would stay on, and occasionally, the key fob wouldn’t work. The owner had already replaced the battery and checked all the fuses. A scan showed a handful of ‘U’ codes, specifically U0140 (Lost Communication With Body Control Module) and other intermittent communication faults. These network codes are a classic sign of a BCM that’s failing internally. Instead of a costly new module and hours of programming, we used a cloned replacement. After a straightforward swap, every single electrical gremlin was gone. It’s a common failure I’ve seen hundreds of times, and this service is the most efficient fix.
Common Signs of a Failing BCM
If you’re experiencing any of the following, a faulty BCM is the most likely cause. A proper diagnosis is always recommended, but these symptoms are strong indicators.
- ✔ Erratic or non-functional power windows, door locks, and interior/exterior lights.
- ✔ The security or anti-theft light stays on, preventing the engine from starting.
- ✔ The instrument panel gauges behave strangely or not at all.
- ✔ The key fob or remote entry system stops working intermittently.
- ✔ Diagnostic trouble codes (DTCs) such as U0140, U0155, B1001, or B1325 are present.
- ✔ Parasitic battery drain that kills your battery overnight.
A Straightforward Guide to Installation
Our cloning service makes this repair accessible for both DIY mechanics and professional shops. The process is designed to be as simple as possible:
- Place Your Order: Purchase this BCM and we will provide you with shipping instructions.
- Remove Your Original BCM: Carefully disconnect the negative battery terminal. Locate and remove the original Body Control Module from your vehicle. The location is noted in the fitment list below.
- Ship Us Your Module: Securely package and ship your original BCM to us.
- We Handle the Rest: Our technicians will professionally transfer all necessary vehicle data from your old module to the replacement unit. We ship both your original module and the ready-to-install replacement back to you.
- Install and Drive: Simply install the new BCM, reconnect your battery, and start your vehicle. In most cases, no further steps are needed.
Post-Installation Information
While our cloning process makes this a near plug-and-play repair, some GM vehicles may require a simple relearn procedure after installation. Please be aware of the following possibilities:
- Airbag System Sync: If the airbag (SRS) light is on after installation, a ‘Setup SDM Primary Key in BCM’ procedure is needed. This syncs the new BCM with the airbag system and requires a professional-grade scan tool.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor relearn may be required to ensure correct brake light and traction control operation.
Disclaimer: Specific procedures can vary by vehicle. Always consult a factory service manual or a qualified technician for guidance.
Verified Vehicle Compatibility
This BCM is a direct replacement for a wide range of GM vehicles and part numbers. Please verify your part number and vehicle model from the list below to ensure proper fitment. This module is compatible with 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)
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
TORRENT 07-09 Body Control (BCM); (center dash)
CTS 08-13 Body Control (BCM); LH dash
CAPTIVA SPORT 12 Body Control (BCM); (center dash), ID 20921436
G8 08-09 Body Control (BCM); (center dash)
IMPALA 13 Body Control (BCM); (LH dash), ID 22820315
AVALANCHE 1500 10 Body Control (BCM); (under steering column), ID 25892622
ESCALADE 10 Body Control (BCM); (under steering column), ID 25892622
LUCERNE 06-11 Body Control (BCM); (right side dash)
ESCALADE ESV 10 Body Control (BCM); (under steering column), ID 25892622
SAVANA 3500 VAN 10 Body Control (BCM); (center dash), 4.8L
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)
Frequently Asked Questions
What is a “Cloning Service”?
Cloning is the process of reading the critical software and vehicle-specific data (like key information and options) from your original BCM and writing it directly onto the replacement module. This makes the new module an exact electronic copy of the old one, avoiding the need for dealer programming.
What if my original BCM is not available or is too damaged to be read?
If your module cannot be cloned, we can often program the replacement unit using your vehicle’s VIN. Please contact us before ordering to discuss this option. We will load the latest GM software for your specific vehicle.
Do I get my old BCM back?
Yes. We always return your original module along with the prepared replacement unit. We do not keep customer cores.
Is this a difficult part to install myself?
For someone with basic mechanical skills, the physical swap is straightforward. The BCM is typically located in the center dash area on the VUE and is accessible after removing a few trim panels. Our cloning service removes the most difficult part: the software programming.
Will I need a scan tool after installation?
In most cases, no. The goal of cloning is a plug-and-play result. However, as noted above, some GM vehicles are sensitive and may require a scan tool to perform a quick sync for the airbag system or a relearn for the brake pedal position sensor.