Programmed GM Body Control Module BCM 15872421

Restore Your Vehicle’s Electrical Functions

This plug-and-play Body Control Module arrives programmed to your vehicle’s VIN. It’s the simple, reliable fix for erratic electronics, power accessory failures, and security system faults. No dealer programming required. Order now to get your GM vehicle back on the road fast.

$224.95

+11.99 USPS Priority Shipping

Availability: In stock



SKU: 591-01465-286 Categories: ,
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Restore Your Vehicle’s Electrical System with a Plug-and-Play BCM

Are you battling bizarre electrical gremlins in your GM vehicle? Flickering lights, malfunctioning power windows and locks, or a security system that has a mind of its own are common signs of a failing Body Control Module (BCM). The BCM acts as the central hub for your car’s body electronics, and when it starts to fail, it can cause a cascade of frustrating and difficult-to-diagnose issues. This pre-programmed GM Body Control Module is the definitive solution, designed to restore full functionality and get you back on the road with confidence.

From the Diagnostic Bay
We had a 2011 Chevy Impala come into the shop that was driving the owner crazy. The car would intermittently fail to start, the radio would turn on and off by itself, and the ‘Service Theft System’ light would flash randomly. The owner had already replaced the battery and alternator with no luck. After connecting our scan tool, we saw multiple communication loss codes with various modules. This pointed us directly to the central communication hub: the BCM. We installed a VIN-programmed BCM, and every single issue was resolved instantly. It’s a perfect example of how one failing module can make a perfectly good car seem possessed.

Common Symptoms of a Failing BCM

  • ✔ Erratic or non-functional power windows, door locks, and mirrors.
  • ✔ Dashboard lights flickering or instrument cluster gauges behaving strangely.
  • ✔ ‘Service Theft System’ or other security-related warnings on the dash.
  • ✔ Intermittent no-start or no-crank conditions.
  • ✔ Interior or exterior lights staying on or not working at all.
  • ✔ Horn honking unexpectedly or not working when pressed.
  • ✔ Problems with key fob recognition and remote start.

Why Choose Our Programmed GM Body Control Module?

Forget expensive dealership visits and the hassle of coordinating programming. We take care of the hard part for you. Simply provide your vehicle’s VIN during checkout, and our technicians will flash this module with the latest GM software specific to your car. This ensures that it works seamlessly with your existing keys, security system, and vehicle options right out of the box. This is a direct-fit replacement for a wide range of GM vehicles, including popular models like the Chevy Impala, GMC Acadia, Cadillac DTS, and Chevy Express vans. Please verify your original part number against our extensive cross-reference list to ensure compatibility.

Installation and Post-Install Notes

While the programming is done for you, some vehicles may require simple relearn procedures after installation. These can often be done with a capable diagnostic scan tool. Common procedures include:

  • Airbag System Sync: If the airbag light is on after installation, a ‘Setup SDM Primary Key in BCM’ procedure is needed to sync the modules.
  • Brake Pedal Position Relearn: This may be required to ensure your brake lights and traction control system function correctly.

There is no core charge for this part. You can keep your old module. This high-quality GM Body Control Module is your most effective and efficient path to resolving your vehicle’s electrical issues.

Frequently Asked Questions

Why do you need my VIN?

Your Vehicle Identification Number (VIN) allows us to program the BCM with the exact software and settings for your vehicle’s specific options, such as keyless entry, security system, and powertrain. This makes the installation process as simple as possible.

Is this BCM difficult to install?

The physical replacement is typically straightforward, involving disconnecting the battery and swapping the module, which is often located under the dash. Since we pre-program the unit, you avoid the most complex part of the job. However, some vehicles may require post-install relearn procedures as noted.

What happens if I don’t do the post-install relearns?

If a required relearn procedure is not performed, you may have a persistent warning light (like the airbag light) or certain systems may not function correctly. For example, not performing the brake pedal position relearn could affect brake light operation.

Will this fix my specific electrical problem?

This module will resolve issues directly caused by a faulty BCM. The symptoms listed are strong indicators of BCM failure. However, we always recommend proper vehicle diagnostics to confirm the BCM is the root cause before ordering.

Is this a new or used part?

This is a high-quality, tested, and guaranteed functional part that has been expertly programmed to your vehicle’s specifications. It is a reliable and cost-effective alternative to a new dealership part.

Do I need to send my old BCM back?

No, there is no core charge or need to return your original module. You can keep it or dispose of it.

Genuine OEM

Yes

Year
Condition

Refurbished

MPN

15872421

Interchange part number

PartNumber

591

Model

BRAVADA

Year

2013

Brand

GM

Manufacturer Part Number

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