Restore Your Vehicle’s Electrical System with a Hassle-Free Solution
Are you dealing with baffling electrical issues in your Chevrolet Cruze, GMC Terrain, or other compatible GM vehicle? A faulty Body Control Module (BCM) is often the culprit behind problems like erratic power windows, non-functional interior lights, intermittent door locks, or even a no-start condition. As the central nervous system for your car’s body electronics, a failing BCM can create a cascade of frustrating symptoms. This isn’t just an inconvenience; it can affect your vehicle’s safety and security. We offer a reliable, straightforward fix with our pre-programmed BCM service.
This service provides you with a fully functional replacement BCM, programmed specifically for your vehicle using the data from your original module. This cloning process ensures that all your vehicle’s specific settings, security information (like anti-theft), and optional features are perfectly mirrored. The result is a true plug-and-play solution that eliminates the need for expensive and time-consuming programming at a dealership. Simply send us your original BCM, and we’ll handle the rest, getting you back on the road quickly.
Case Study: A Tricky Diagnosis
I remember a 2011 Cruze that came into the shop with a laundry list of complaints from the owner: the radio would turn off randomly, the driver’s side window wouldn’t go down, and the security light would flash intermittently. The customer had already replaced the battery and checked all the fuses. A quick scan showed a dozen ‘U’ codes, all pointing to lost communication with various modules. Instead of chasing each ghost, we went straight to the source. A faulty BCM was creating a communication storm on the CAN bus network. A cloned BCM like this one solved every single issue in one go, saving the customer hundreds in diagnostic fees.
Common Signs of a Failing BCM
If your vehicle is experiencing any of the following, a failing BCM could be the root cause. A scan tool may show communication codes like U0140 (Lost Communication With Body Control Module).
- ✔ Power windows, locks, or mirrors working intermittently or not at all.
- ✔ Interior or exterior lights (headlights, taillights, dome light) behaving erratically.
- ✔ The security system alarm sounding for no reason or preventing the car from starting.
- ✔ The key fob no longer working to lock or unlock the doors.
- ✔ Warning lights for ABS, Airbag, or Traction Control appearing on the dash.
- ✔ Complete loss of power to various accessories.
A Straightforward Guide to Installation
Installing your programmed 2011 Cruze BCM is a manageable task for a confident DIYer. The BCM is typically located in the driver’s side kick panel area.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait a few minutes to ensure all systems are powered down.
- Locate the BCM: On the Cruze, this is usually behind the kick panel to the left of the brake pedal. You may need to remove a plastic trim piece to access it.
- Disconnect Connectors: Carefully unplug all electrical connectors from the old BCM. They have locking tabs that need to be depressed. Do not force them.
- Remove the Old Module: Unbolt or unclip the original BCM from its mounting bracket.
- Install the New Module: Mount your new, programmed BCM in the same location and securely plug in all the electrical connectors.
- Reconnect Battery: Reattach the negative battery terminal.
- Test Functions: Start the vehicle and test all body functions—windows, locks, lights, wipers, and radio—to confirm the repair.
Important Post-Installation Information
While our programming makes this a plug-and-play part, some vehicle systems may require a recalibration after the BCM is replaced. Please be aware of the following:
- Airbag System Sync: If the airbag warning light is illuminated after installation, a ‘Setup SDM Primary Key in BCM’ procedure is necessary. This requires a professional-grade scan tool to sync the new BCM with the airbag system.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor relearn may be required to ensure correct brake light operation and to prevent issues with the traction control system.
Disclaimer: Vehicle systems vary. We always recommend consulting a factory service manual or a certified technician for your specific model’s procedures.
Verified Vehicle Compatibility
This BCM is a direct-fit replacement for the following vehicles and part numbers. Please match your part number to ensure compatibility. This module is compatible with part numbers 13577850, 13505326, 13500384, 13574844, 13504004, 13504494, and 13578420.
- Chevrolet Cruze: 2011 (LH kick panel)
- Chevrolet Cruze: 2013 (LH kick panel, w/opt ATH)
- Chevrolet Equinox: 2010 (LH side dash)
- GMC Terrain: 2010 (LH side dash)
- GMC Terrain: 2011 (LH side dash, various IDs)
- Buick Regal: 2011 (LH dash, w/o opt AUA)
- Cadillac SRX: 2010 (LH dash)
Frequently Asked Questions
How does the programming service work?
After you purchase, we will contact you with instructions to ship your original BCM to us. Once we receive it, our technicians will transfer the vehicle-specific data to the replacement module. We then ship the programmed BCM back to you, ready for installation.
Do I need to send my original BCM if it’s completely dead?
In most cases, we can still retrieve the necessary data even from a non-functional module. Please contact us with details about your module’s condition if you have concerns.
Is this a plug-and-play part?
Yes, because we clone the data from your original module, this part is designed to be plug-and-play. This avoids any need for expensive dealer programming. However, as noted, some systems like the airbag or brake sensor may require a simple relearn procedure.
What is a core charge? Do I need to return my old part?
We require your original part to perform the programming service. However, there is no separate core charge, and you are welcome to keep your original module after our service is complete if you wish.
Will this fix my specific problem?
This module will fix issues directly caused by a faulty BCM. It is crucial to properly diagnose the problem before ordering. If you are experiencing the common symptoms listed, a failing BCM is the likely cause.