Restore Your Cadillac’s Functionality with a Plug-and-Play BCM Solution
Are you battling frustrating and unpredictable electrical problems in your Cadillac SRX? Issues like flickering dash lights, malfunctioning power windows and locks, or a vehicle that refuses to start can often be traced back to a single component: a failing Body Control Module (BCM). In my 20+ years of automotive diagnostics, I’ve seen how a faulty BCM can turn a luxury vehicle into a source of constant headaches. The dealership solution often involves expensive new parts, complex programming, and significant downtime. We offer a smarter, more efficient path forward.
This is a comprehensive repair service for your 2014-2016 SRX BCM. Instead of selling you a blank module that requires dealer intervention, we provide a fully programmed replacement using data from your original unit. Simply send us your existing BCM, and we’ll professionally transfer all the critical vehicle-specific information—including VIN, mileage, and key data—to this replacement module. The result? A true plug-and-play component that restores full functionality without the need for a trip to the dealership. It’s the reliable fix that both DIYers and professional shops trust.
Case Study: A Tricky Diagnosis
A customer brought in a 2015 SRX with a classic BCM failure story. The car would intermittently fail to start, the radio would cut out, and the “Service Theft Deterrent System” message was always on. They had already replaced the battery and checked the alternator. After hooking up my diagnostic scanner, I saw a slew of U-codes (communication loss codes) pointing to the BCM. Instead of a $1200+ dealership bill, we used our cloning service. The customer removed their BCM, shipped it to us, and had a perfectly matched, ready-to-install module back in a few days. The total repair was a fraction of the dealer quote, and the car has been flawless ever since.
Is Your Cadillac SRX Showing These BCM Failure Signs?
A failing BCM doesn’t always trigger a check engine light. Instead, it creates a pattern of bizarre electrical behavior. Here are the most common symptoms I see in the shop:
- ✔ Intermittent no-start or no-crank conditions.
- ✔ Power windows, door locks, or interior lights operating erratically or not at all.
- ✔ The security or anti-theft light stays on, and the engine is disabled.
- ✔ Instrument cluster gauges behaving strangely or going dark.
- ✔ Radio or infotainment system randomly shutting off.
- ✔ Communication loss diagnostic trouble codes (DTCs), such as U0100, U0140, or U0155.
- ✔ Horn honking unexpectedly or wipers activating on their own.
Your Straightforward BCM Installation Guide
Installing your programmed module is a direct swap. On the 2014-2016 SRX, the BCM is typically located behind the left-hand (driver’s side) of the dashboard. While specific access may vary slightly, the general process is as follows:
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work.
- Access the Module: Carefully remove any lower dash panels or trim necessary to gain clear access to the BCM. It’s often secured with a few small bolts or clips.
- Disconnect Connectors: The BCM will have several multi-pin electrical connectors. Depress the locking tabs on each connector and gently pull them straight out. Never force them.
- Remove the Old BCM: Once all connectors are unplugged, unbolt the old BCM from its mounting bracket and remove it from the vehicle.
- Install the New BCM: Mount your new, pre-programmed BCM in the same location and secure it. Reconnect all electrical connectors, ensuring they click firmly into place.
- Final Steps: Reinstall any trim panels you removed and reconnect the negative battery terminal. Start the vehicle to confirm that the issues are resolved.
Important Post-Installation Information
Our cloning process makes this as close to plug-and-play as possible. However, in some vehicles, additional synchronization steps may be needed:
- Airbag System Sync: If the airbag warning light is illuminated after installation, a simple “Setup SDM Primary Key in BCM” procedure must be performed with a professional scan tool. This syncs the airbag system with the new BCM.
- Brake Pedal Position Relearn: On certain models, a brake pedal position sensor relearn might be required to ensure correct brake light operation and traction control function. This is also done with a capable diagnostic tool.
Disclaimer: Vehicle systems can vary. We always recommend consulting a factory service manual or a qualified technician if you are unsure about any step.
Verified Compatibility for Your Vehicle
This programming service and module are a direct replacement for part number 13590851 and are compatible with a wide range of GM vehicles. Please verify your part number or match your vehicle from the list below. This module is compatible with the following part numbers: 13580698, 13578458, 13589115, 13589637, 13590173, 13591300, 13592376, 13593775, 13593776, and 13594564.
- Cadillac SRX: 2014-2016 (Body Control Module; LH dash)
- Cadillac ELR: 2014-2016 (Body Control Module; RH cowl)
- Buick LaCrosse: 2014-2015 (Body Control Module; LH kick panel)
- Buick LaCrosse: 2016 (Body Control Module; LH kick panel, ID 13580698 or 13594564)
- Buick Regal: 2014-2017 (Body Control Module; LH dash)
- Chevrolet Camaro: 2014-2015 (Body Control Module; RH dash)
- Chevrolet Malibu: 2014-2015 (Body Control Module; LH kick panel)
- Chevrolet Malibu: 2016 (Body Control Module; VIN 1, Limited, LH kick panel)
- Chevrolet Spark EV: 2014-2016 (Body Control Module; left lower a-pillar, electric model)
- Chevrolet Volt: 2014-2015 (Body Control Module; RH engine compartment)
Frequently Asked Questions
How does the mail-in cloning service work?
It’s simple. After you purchase, we will contact you with instructions to ship your original BCM to our facility. Once we receive it, we extract the unique vehicle data and transfer it to the replacement module. We then ship the ready-to-install module back to you with tracking.
Do I need to go to the dealer for programming?
Absolutely not. Our service completely eliminates the need for dealer programming. Because we clone your original module’s data, the replacement BCM is plug-and-play for your specific vehicle.
What data is transferred during the cloning process?
We transfer all the essential configuration data, including the Vehicle Identification Number (VIN), security information (key data), mileage, and other vehicle-specific options. This ensures seamless integration.
Is there a core charge for my old module?
No, there is no core charge. However, we do require your original module to be sent to us to perform the data cloning service. You will not get your original module back.
What if my original BCM is completely dead or not communicating?
In many cases, even if the BCM is failing, the memory chip containing the vehicle data is still readable. Please contact us before ordering if your module is severely damaged (e.g., water or fire) or has no communication whatsoever.