Restore Your Impala’s Electrical System with a Hassle-Free Solution
Are you dealing with bizarre electrical issues in your 2014 Impala? Flickering lights, malfunctioning power windows, a radio that has a mind of its own, or a security system that prevents your car from starting? These are classic signs of a failing Body Control Module (BCM). As the central command center for your vehicle’s body electronics, when the BCM goes bad, it can create a cascade of frustrating and unpredictable problems. Instead of facing a costly trip to the dealership for a new module and expensive programming, our service provides a reliable, plug-and-play fix.
We simplify the repair process. This listing is for a replacement BCM that is professionally programmed by cloning the data from your original module. This means the replacement unit arrives ready for installation, retaining all your vehicle’s specific settings, including key fob data and security information. You get a seamless repair without the need for a specialized scan tool or a visit to the dealer. Just send us your original BCM, and we’ll handle the rest, getting you back on the road quickly and affordably.
A Technician’s Notebook: The Case of the Haunted Impala
A customer brought in a 2014 Impala with a list of complaints that sounded like the car was possessed. The dome lights would stay on, the driver’s side window wouldn’t go down, and the car would randomly refuse to start, showing a ‘Service Theft Deterrent System’ message. A scan showed a slew of U-codes, indicating a total communication breakdown on the network. After checking the basics—battery, grounds, and wiring—all signs pointed to the BCM. A failing BCM can corrupt its own software, leading to exactly this kind of chaos. By cloning his original module, we preserved the critical immobilizer data, and the replacement BCM restored all functions perfectly. It’s a textbook example of how a precise data transfer is the key to fixing these complex electronic issues.
Is Your Impala Showing These BCM Failure Signs?
- ✔ Power windows, door locks, or mirrors operating erratically or not at all.
- ✔ Interior or exterior lights flickering, staying on, or failing to turn on.
- ✔ The security or anti-theft system activating incorrectly, causing a no-start condition.
- ✔ The radio or infotainment system malfunctioning or shutting down.
- ✔ False warning lights appearing on the dashboard (e.g., Service Airbag, Check Engine).
- ✔ Diagnostic trouble codes (DTCs) related to communication errors, such as U0140, U0155, or other U-codes.
Your Straightforward BCM Installation Guide
- ✔ Safety First: Disconnect the negative terminal from your vehicle’s battery to prevent any electrical shorts.
- ✔ Locate the BCM: On the 2014 Impala (New Style), the BCM is located on the left-hand (driver’s) side of the dashboard. Access may require removing lower dash panels.
- ✔ Disconnect and Remove: Carefully unplug all electrical connectors from the old BCM. Note their orientation. Then, unbolt the module from its mounting bracket and remove it from the vehicle.
- ✔ Install the New Module: Mount your newly programmed BCM in the same location and securely fasten it. Reconnect all electrical connectors to their correct ports.
- ✔ Reconnect Power: Reattach the negative battery terminal and tighten it securely.
- ✔ Test All Functions: Start the vehicle and test all body-related functions: lights, windows, locks, wipers, and radio to ensure everything is working correctly.
- ✔ Perform Relearns (If Needed): As noted in our post-installation section, an Airbag System Sync or Brake Pedal Position Relearn might be necessary if you see specific warning lights.
Important Post-Installation Information
While our cloning service makes this a near plug-and-play repair, some vehicle systems may require a ‘handshake’ with the new BCM. Please be aware of the following potential procedures:
- 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 airbag system with the BCM.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor relearn may be required to ensure your brake lights and traction control system function as intended.
Disclaimer: Always consult a factory service manual or a qualified technician for procedures specific to your vehicle.
Verified Vehicle Compatibility
This Body Control Module is a direct fit for the following vehicles and part numbers. Please match your part number to ensure compatibility.
Compatible Part Numbers: 13586589, 13589093, 13580689
- 2014 Chevrolet Impala: VIN 1 (4th digit, New Style), located at the LH dash.
- 2013 Cadillac ATS: Located on the firewall.
- 2013 Cadillac XTS: Located at the left front hinge pillar.
- 2013-2014 Chevrolet Sonic: Located in the RH rear quarter panel.
Frequently Asked Questions
How does the programming service work?
After you place your order, we will contact you with instructions to ship your original BCM to us. Once we receive it, our technicians will extract the essential vehicle data and transfer it to the replacement module. We then ship the fully programmed BCM back to you, typically within 1-2 business days.
Why do I need to send my original BCM?
Your original BCM contains unique data for your vehicle’s security system, key fobs, and specific options. By cloning this data, the replacement module becomes a perfect match, eliminating the need for expensive and complicated dealership programming.
Is this a simple DIY job?
For someone with basic mechanical skills, swapping the BCM is very manageable. The main challenge is accessing the module’s location. Our programming service handles the complex part, making the physical installation straightforward.
Will I need any special tools for installation?
Typically, only basic hand tools like a socket set and screwdrivers are needed to remove dash panels and unbolt the module. No programming tools are required. However, a professional scan tool may be needed for post-install relearns if warning lights appear.
Do I need to return my old BCM after installation?
No, there is no core charge for this service. After we clone the data, we will return your original module along with the newly programmed replacement. You can keep it.