Tired of Unpredictable Electrical Problems in Your Cadillac?
As a technician with over two decades of experience, I’ve seen firsthand how a failing Body Control Module (BCM) can turn a reliable vehicle into a source of constant frustration. One day your power windows work, the next they don’t. You might see random warning lights on the dash, experience security system lockouts, or even face a no-start situation that leaves you stranded. These aren’t random glitches; they’re classic signs of a BCM on its way out. The BCM is the central nervous system for your vehicle’s electronics, and when it falters, chaos ensues. This isn’t just an inconvenience—it’s a critical component for your car’s functionality and safety.
We offer a straightforward, reliable solution: a professionally programmed replacement BCM tailored to your vehicle. Forget about expensive dealership visits, towing fees, and the uncertainty of programming a new module from scratch. Our service simplifies the entire process. You send us your original BCM, and we transfer all its vital data—including VIN, mileage, and key programming—to this replacement unit. The result is a true plug-and-play module that restores your car’s proper function without the typical dealership hassle. This service is specifically designed for owners and mechanics looking for a dependable fix for their 2014 ATS BCM and other compatible GM vehicles.
Case Study: A Tricky Diagnosis
A customer brought in a 2014 Cadillac ATS with a laundry list of bizarre issues: the radio would cut out, the interior lights would flicker, and occasionally, the car wouldn’t recognize the key fob. They had already replaced the battery and checked the main fuses. After hooking up my diagnostic scanner, I saw a flood of U-codes (U0140, U0155), indicating a loss of communication between various modules. In my shop, I’ve seen this pattern hundreds of times. It wasn’t the individual components failing; it was the central hub—the BCM—that was corrupting the data network. By providing a cloned BCM, we restored stable communication and solved all the ghost issues in one go, saving the customer from a costly and frustrating diagnostic rabbit hole.
Is Your Cadillac Showing These Electrical Faults?
- âś” Power windows, locks, or mirrors operating intermittently or not at all.
- âś” Interior or exterior lights flickering, staying on, or not turning on.
- âś” The security system acting up, causing alarm or no-start conditions (often with a security light on).
- âś” Inaccurate or non-functional gauges on the instrument cluster.
- âś” Diagnostic trouble codes related to communication loss (U-codes) stored in various modules.
- âś” Key fobs not being detected or functioning correctly.
Your Straightforward BCM Swap and Service Guide
Our goal is to make this repair as simple as possible. Follow these steps to get your vehicle back to perfect working order.
- Step 1: Purchase and Prepare. After you place your order, we will contact you with detailed instructions and a shipping address. Please ensure your contact information is up to date.
- Step 2: Remove Your Original BCM. On the 2014 ATS, the BCM is typically located on the firewall. Always disconnect the negative battery terminal before starting any electrical work. Carefully unplug the wire harness connectors and unbolt the module.
- Step 3: Ship Us Your Module. Securely package your original BCM and ship it to us. We recommend using a tracked shipping service.
- Step 4: We Handle the Programming. Once we receive your module, our experts will clone all the necessary data to the replacement unit within 1-2 business days.
- Step 5: Install and Verify. We’ll ship your ready-to-install BCM back to you. Simply reconnect the harnesses, bolt it in place, and reconnect your battery. In most cases, your vehicle will start and run perfectly. Note that some models may require the post-installation procedures mentioned below.
Important Post-Installation Information
While our programming makes this a near plug-and-play solution, some vehicle systems may need to be re-synced after installation. This is normal. Specifically, be aware of:
- Airbag System Sync: If the airbag light is on after installation, a ‘Setup SDM Primary Key in BCM’ procedure is required using a professional scan tool to clear the light.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration may be needed to ensure correct brake light and traction control operation.
Disclaimer: Always consult a factory service manual or a qualified technician for vehicle-specific procedures. No core charge is required; you can keep your original module.
Verified Fitment for These GM Vehicles
This BCM, part number 13594768, is a direct replacement for several part numbers including 13594692, 13593214, 13580690, 13591519, and 13594769. It fits a wide range of vehicles. Please verify your part number and model from the list below:
- Cadillac ATS: 2014 (on firewall)
- Cadillac CTS: 2014 (Sdn, VIN A, LH dash)
- Cadillac XTS: 2014 (left front hinge pillar)
- Cadillac Escalade / ESV: 2015 (under steering column)
- Chevrolet Corvette: 2014 (LH dash)
- Chevrolet Impala: 2015-2016 (VIN 1, ID 13594692), 2017-2019 (LH Dash)
- Chevrolet SS / Caprice: 2014-2017
- Chevrolet Silverado 1500/2500/3500: 2014-2015 (check location and ID)
- Chevrolet Suburban 1500 / Tahoe: 2015 (under steering column)
- GMC Sierra 1500/2500/3500 & Denali Models: 2014-2015 (check location and ID)
- GMC Yukon / Yukon XL 1500: 2015 (under steering column)
Frequently Asked Questions
How does the cloning service work?
You purchase this listing, then ship your original BCM to us. We extract the vehicle-specific programming and transfer it to the replacement BCM. We then ship the fully programmed, ready-to-install module back to you.
Do I need to send my keys?
No, you do not need to send your keys. All the necessary security information is stored within your original BCM and will be transferred during the cloning process.
Is this a difficult part to install?
For someone with basic mechanical skills, the physical swap is straightforward. The BCM is typically held by a few bolts and has several plug-in connectors. The most important step is disconnecting the battery first. Our service eliminates the need for complex computer programming on your end.
What is the turnaround time?
Once we receive your original module, our programming service typically takes 1-2 business days. We then ship the replacement module back to you, and you will receive a tracking number at that time.
Will I need a scan tool after installation?
In many cases, no special tools are needed. However, as noted, some vehicles may require an airbag system sync or a brake pedal position relearn with a professional-grade scan tool if related warning lights appear.
Why is this better than buying a new BCM from the dealer?
Our service saves you significant money and time. You avoid the high cost of a new module from the dealership, expensive programming fees, and the potential need to have your vehicle towed for the repair. This is a complete, cost-effective solution.
Is there a core charge?
No, there is no core charge. You are free to keep your original module after the service is complete.