Restore Your Vehicle’s Electrical System with a Plug-and-Play Solution
Are you battling bizarre electrical issues in your 2013 Chevrolet Spark or another compatible GM vehicle? From power windows that have a mind of their own to dashboard lights flickering like a holiday display, a failing Body Control Module (BCM) can be the culprit behind a host of frustrating problems. As a technician with over two decades of experience, I’ve seen firsthand how a faulty BCM can turn a reliable car into a source of daily headaches. This isn’t just an inconvenience; it can affect your vehicle’s security, safety, and basic functionality.
We offer a straightforward and reliable fix. This listing is for a replacement BCM (compatible with part numbers 13580696, 123589093, 13588446, 13584692, and 13583542) that is professionally programmed with the data from your original unit. This cloning service makes the replacement process as simple as possible, eliminating the need for expensive dealership visits and complex programming tools. You simply send us your original BCM, and we handle the rest, shipping you back a ready-to-install module.
Common Signs of a Failing GM BCM
If your vehicle is exhibiting any of these symptoms, a failing BCM is a likely cause. In the shop, we often see communication-related Diagnostic Trouble Codes (DTCs) like U0140 when the BCM starts to fail.
- ✔ Intermittent or non-functional power windows, door locks, or interior lights.
- ✔ The security system or anti-theft light staying on, preventing the car from starting.
- ✔ Horn honking unexpectedly or not working at all.
- ✔ Erratic behavior from the instrument cluster gauges or warning lights.
- ✔ Complete loss of communication with the module, leading to a no-start condition.
- ✔ Issues with key fob recognition or remote start functionality.
A Technician’s Notebook: The Ghost in the Spark
A customer brought in a 2013 Chevy Spark with a classic “ghost in the machine” problem. The radio would turn on and off by itself, the dome light would flicker while driving, and occasionally, the car just wouldn’t start. They had already replaced the battery and checked the alternator. After connecting my scan tool, I found a handful of U-codes pointing to lost communication with the BCM. Instead of quoting them for a new module plus hours of expensive dealership programming, we used this exact cloning service. We received the programmed module, installed it in under 30 minutes, and the car was back to 100% normal operation. The customer saved hundreds of dollars and avoided a trip to the dealer. It’s a perfect example of how the right part and service can provide a simple, effective fix.
Your Straightforward BCM Installation Guide
Installing your pre-programmed 2013 Spark BCM is a manageable task for a confident DIYer. For the 2013 Spark, the BCM is typically located behind the trim panel in the left lower A-pillar area.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait a few minutes before beginning work.
- Locate the Module: Carefully remove the necessary interior trim panels to access the BCM. The location varies by model (see fitment list for general locations).
- Disconnect and Remove: Unplug the electrical connectors from the old BCM. They have locking tabs that need to be depressed. Once disconnected, unbolt or unclip the module from its mounting bracket.
- Install the New Module: Mount the replacement BCM and securely plug in all electrical connectors. You should hear a ‘click’ as they lock into place.
- Reconnect and Test: Reconnect the negative battery terminal. Turn the key to the ‘On’ position and test all body functions—windows, locks, lights, horn, and wipers—to ensure everything is working correctly.
Important Post-Installation Notes
While our programming service makes this a plug-and-play repair, some vehicle systems may require a recalibration after the BCM is replaced. This is normal and ensures all related components communicate correctly.
- 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 new BCM with the airbag system.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor relearn may be required to ensure proper brake light operation and to prevent issues with the traction control system.
Disclaimer: Vehicle systems vary. Always refer to a factory service manual or consult with a qualified automotive technician if you are unsure about any step.
Verified Vehicle Compatibility
This BCM and programming service is compatible with the following vehicles and part numbers. Please verify your part number before ordering.
- Part Numbers: 13580696, 123589093, 13588446, 13584692, 13583542
- Buick LaCrosse: 2012-2013 (LH kick panel)
- Buick Regal: 2012 (LH dash)
- Buick Verano: 2012 (below center of dash)
- Cadillac SRX: 2012 (LH dash)
- Chevrolet Camaro: 2012-2014 (RH dash)
- Chevrolet Equinox: 2012 (LH side dash)
- Chevrolet Spark: 2013 (left lower a-pillar)
- Chevrolet Volt: 2012 (RH engine compartment)
- GMC Terrain: 2012 (LH side dash)
Frequently Asked Questions
How does the mail-in programming service work?
After you purchase, we will contact you with instructions to ship your original BCM to us. Once we receive it, we transfer all the necessary vehicle-specific data to the replacement module. We then ship the ready-to-install BCM back to you.
What if my original BCM is completely dead or not communicating?
In many cases, even if the BCM is failing, we can still extract the critical data. Please contact us with the specifics of your module’s failure before ordering if you suspect it’s completely non-responsive.
Is this a true plug-and-play solution?
Yes, our cloning service makes the replacement module plug-and-play, meaning you will not need to visit a dealer for programming. However, as noted, some models may require a simple relearn procedure for the airbag or brake pedal sensor after installation.
Where is the BCM on my 2013 Spark?
On a 2013 Chevrolet Spark, the BCM is generally located inside the cabin, behind the trim panel at the bottom of the driver’s side A-pillar (the pillar between the windshield and the driver’s door).
Do I need to send in my original module?
Yes, this service requires you to ship your original BCM to us. This is how we ensure the replacement module is a perfect match for your vehicle’s keys, security system, and specific options. The good news is there is no core charge!