Restore Your Vehicle’s Electrical System with a Plug-and-Play Solution
Are you dealing with baffling electrical issues in your Cadillac, Chevrolet, or Buick? Symptoms like flickering lights, unresponsive power windows, a horn that won’t quit, or a car that refuses to start can often be traced back to a single component: a failing Body Control Module (BCM). As a technician with over two decades of experience, I’ve seen how a faulty BCM can turn a reliable vehicle into a source of constant frustration. The dealership solution often involves expensive new parts, complex programming, and long wait times. We offer a smarter, more direct fix.
This listing is for a replacement BCM programmed specifically for your vehicle using a simple cloning service. Instead of buying a blank module and paying for dealership programming, you simply send us your original BCM. We transfer all the critical vehicle-specific data—like key information and security settings—to this replacement unit. The result is a true plug-and-play module. Once you receive it back, you can install it and get your car back to normal without any additional programming fees. This is the most efficient way to solve your BCM problems and get your 2013 ATS BCM functioning correctly again.
A Technician’s Notebook
I remember a 2013 Cadillac XTS that came into the shop with a laundry list of complaints. The owner said the interior lights would stay on, the radio presets would randomly disappear, and occasionally, the car just wouldn’t start. He’d already replaced the battery, but the problems persisted. A quick scan showed a flurry of communication error codes pointing toward the BCM. Instead of a costly new module from the dealer, we used our cloning service. By transferring his original data to a quality replacement BCM, we had him back on the road the next day with all issues resolved. It’s a perfect example of how this service saves both time and money.
Common Signs of a Failing BCM
If your vehicle is showing these symptoms, a faulty BCM is the likely culprit. A failing module can disrupt communication between various electronic systems, leading to unpredictable behavior.
- ✔ Erratic or non-functional power windows, door locks, or mirrors.
- ✔ Interior or exterior lights flickering, staying on, or not working at all.
- ✔ The security system acting up, causing alarm or starting issues.
- ✔ The horn sounding randomly or not working when pressed.
- ✔ Dashboard warning lights (like ABS or Airbag) illuminating without a clear cause.
- ✔ Communication error codes stored, such as U-series codes (e.g., U0140).
Your Straightforward Installation Path
Installing your newly programmed 2013 ATS BCM is a direct process. While the location varies by model, the steps are generally consistent. Always prioritize safety and consult a service manual if you are unsure.
- Safety First: Disconnect the negative terminal from your vehicle’s battery to prevent any electrical shorts.
- Locate the BCM: Find the Body Control Module. Common locations are noted in the fitment list below (e.g., on the firewall, behind the dash, or in a quarter panel).
- Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. Then, unbolt or unclip the module from its mounting bracket and remove it from the vehicle.
- Install the New Module: Mount your new, programmed BCM in the same location. Securely reconnect all the electrical connectors, ensuring they click into place.
- Reconnect Power: Reattach the negative battery terminal.
- Verify Operation: Start the vehicle and test all body functions—lights, locks, windows, horn, etc.—to confirm the repair was successful.
Important Post-Installation Information
In some cases, additional synchronization procedures may be needed after installation. This is normal and depends on your specific vehicle’s configuration.
- Airbag System Sync: If the airbag warning light is on after installation, a professional scan tool is needed to perform the “Setup SDM Primary Key in BCM” procedure. This syncs the BCM with the airbag system.
- Brake Pedal Position Relearn: Some models may require a brake pedal position sensor recalibration to ensure correct brake light and traction control operation.
Disclaimer: Specific procedures can vary. Always consult a factory service manual or a qualified technician for guidance.
Verified Vehicle Compatibility
This BCM is a direct-fit replacement for the following vehicles and part numbers. Please verify your part number or vehicle model to ensure proper fitment. This module is compatible with part numbers 13586589, 13589093, and 13580689.
- Cadillac ATS 2013: Body Control (BCM); (on firewall)
- Cadillac XTS 2013: Body Control (BCM); (left front hinge pillar)
- Chevrolet Sonic 2013-2014: Body Control (BCM); (RH rear quarter panel)
- Chevrolet Impala 2014: Body Control (BCM); VIN 1 (4th digit, New Style), (LH dash)
Frequently Asked Questions
How does the programming service work?
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, we extract the vehicle-specific data and flash it onto the replacement module. We then ship the ready-to-install BCM back to you. This process ensures all your vehicle’s options and security data are preserved.
Do I need to send my keys with the BCM?
No, you do not need to send your keys. Our cloning process transfers the key data from your old module to the new one, so your existing keys will work perfectly upon installation.
Is this a plug-and-play part?
Yes. Because we clone the data from your original unit, this replacement 2013 ATS BCM is fully plug-and-play. No further programming or trips to the dealer are required for the module itself, though some post-install relearn procedures may be necessary as noted.
What is the turnaround time?
We typically program and ship your replacement module within 24-48 hours of receiving your original BCM. We will provide you with a return tracking number as soon as it ships.
Is there a core charge?
No, there is no core charge for this part. You can keep your original module after you’ve sent it to us for the initial data transfer.