Restore Your Truck’s Functionality with a Plug-and-Play BCM Solution
If you’re dealing with a cascade of bizarre electrical issues in your 2014 Silverado 1500 or another compatible GM vehicle, you’re in the right place. As a technician with over two decades of experience under the hood, I’ve seen firsthand how a failing Body Control Module (BCM) can turn a reliable truck into a source of daily frustration. It’s the vehicle’s central command center, and when it goes haywire, symptoms can range from merely annoying to downright unsafe. This isn’t just a part; it’s the solution to getting your vehicle’s features working in harmony again.
This service provides a professionally programmed BCM, part number 13594692, ready for installation. We take the data from your original, failing BCM and transfer it directly to this replacement unit. The result? A true plug-and-play module that bypasses the need for expensive dealership programming, saving you significant time and money. Your vehicle’s specific information, including VIN and options, are retained, ensuring seamless integration.
Case Study: The Ghost in the Sierra
A customer brought in a 2014 Sierra 1500 with a list of complaints that sounded like a haunted truck: the radio would change stations on its own, the dome light would flicker, and the power locks would randomly cycle while driving. He’d already replaced the battery and checked all the fuses. After connecting my diagnostic scanner, I saw multiple communication loss codes (U-codes) pointing to the BCM. Instead of a costly new module and hours of programming at the dealer, we used this exact cloning service. Once the programmed BCM arrived, the swap took less than 30 minutes. Every single electrical gremlin was gone. It’s a textbook example of how a failing 2014 Silverado 1500 BCM can mimic dozens of other problems.
Common Signs of a Failing GM BCM
- âś” Erratic or non-functional power windows, door locks, or mirrors.
- âś” Interior or exterior lights staying on, flickering, or not working at all.
- âś” The radio or infotainment system behaving strangely (turning on/off, changing sources).
- âś” Security system faults or the vehicle failing to start intermittently.
- âś” False warnings on the instrument cluster (e.g., ‘Service 4WD’ or ‘Service StabiliTrak’).
- âś” Communication DTCs such as U0140, U0155, or other U-codes indicating loss of communication with other modules.
A Straightforward Guide to Your BCM Swap
Installing your programmed module is a manageable job for a DIYer with basic tools. Here’s a general guide for a 2014 Silverado 1500. Locations may vary slightly on other models.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before working on any electronic components.
- Locate the BCM: On most trucks like the Silverado and Sierra, the BCM is located under the driver’s side of the dashboard, near the steering column. You may need to remove a lower dash panel for access.
- Disconnect and Remove: Carefully unplug the multiple wiring harnesses connected to the module. They have locking tabs that need to be depressed. Once disconnected, unbolt or unclip the old BCM from its mounting bracket.
- Install the Replacement: Mount your new, pre-programmed BCM in the same location. Reconnect all the wiring harnesses, ensuring each one clicks securely into place.
- Reconnect and Test: Reconnect the negative battery terminal. Turn the key to the ‘On’ position and test all body functions: lights, locks, windows, radio, etc., to confirm the repair.
Important Post-Installation Note: In some cases, additional steps may be needed. If your airbag light is on, a professional scan tool is required to perform the ‘Setup SDM Primary Key in BCM’ procedure. Similarly, a ‘Brake Pedal Position Relearn’ might be necessary. These are standard GM procedures and do not indicate a fault with the module.
Will This Fit My Vehicle?
This BCM is a direct fit for a wide range of GM cars and trucks. Please verify your part number. This module, 13594692, is interchangeable with part numbers 13594768, 13593214, 13580690, 13591519, and 13594769. It is confirmed to fit the following models:
- âś” 2014 Chevrolet Silverado 1500 Pickup
- âś” 2014 GMC Sierra 1500 Pickup / Sierra Denali 1500
- âś” 2015 Chevrolet Silverado 2500/3500 & GMC Sierra 2500/3500 (verify ID)
- âś” 2015 Chevrolet Tahoe, Suburban & GMC Yukon, Yukon XL
- âś” 2015 Cadillac Escalade & Escalade ESV
- âś” 2014 Chevrolet Corvette
- âś” 2014-2017 Chevrolet SS & PPV Caprice
- âś” 2015-2019 Chevrolet Impala (New Style)
- âś” 2014 Cadillac ATS, CTS (New Style), XTS
Frequently Asked Questions
Frequently Asked Questions
How does the programming service work?
After you purchase, we will provide instructions for you to ship your original BCM to us. We then extract the vehicle-specific data and transfer it to the replacement module. We ship the plug-and-play replacement back to you, typically within 1-2 business days of receiving your original.
Do I need to send my original BCM?
Yes. This service is a ‘cloning’ service, which requires your original module to transfer the necessary security and vehicle option data. This ensures the replacement is 100% plug-and-play with no dealer visit needed.
Is there a core charge?
No, there is no core charge for this service. You can keep your original module after we have completed the programming transfer.
Will this fix my specific problem?
This module corrects issues directly caused by a faulty BCM. While the symptoms listed are very common for BCM failure, proper vehicle diagnosis is always recommended. This service fixes the component, assuming it has been correctly identified as the point of failure.
What tools are needed for the post-installation procedures?
The ‘Airbag System Sync’ and ‘Brake Pedal Position Relearn’ procedures require a high-level, bidirectional diagnostic scan tool, such as a GM Tech2, MDI, or equivalent professional-grade scanner. Most basic code readers cannot perform these functions.